Home / 905,152.34-1,357,728.47-231,235.11

Finding the Fourth Proportional to 905,152.34, 1,357,728.47 and 231,235.11

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Solution

The fourth proportional to 905,152.34, 1,357,728.47 and 231,235.11 is: 346,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,152.34 : 1,357,728.47 = 231,235.11 : x
  2. Step 2: Convert to fraction form
    905,152.34/1,357,728.47 = 231,235.11/x
  3. Step 3: Cross multiply
    905,152.34x = 1,357,728.47 × 231,235.11
  4. Step 4: Simplify right side
    905,152.34x = 313,954,490,954.41
  5. Step 5: Solve for x
    x = 313,954,490,954.41/905,152.34
  6. Step 6: Final answer
    x = 346,852.66

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Half scale
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Double scale
Find fourth proportional to 905,153.34, 1,357,729.96 and 231,236.11
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.