Home / 863,247.38-1,191,283.67-476,053.20

Finding the Fourth Proportional to 863,247.38, 1,191,283.67 and 476,053.20

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Solution

The fourth proportional to 863,247.38, 1,191,283.67 and 476,053.20 is: 656,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,247.38 : 1,191,283.67 = 476,053.20 : x
  2. Step 2: Convert to fraction form
    863,247.38/1,191,283.67 = 476,053.20/x
  3. Step 3: Cross multiply
    863,247.38x = 1,191,283.67 × 476,053.20
  4. Step 4: Simplify right side
    863,247.38x = 567,114,404,401.38
  5. Step 5: Solve for x
    x = 567,114,404,401.38/863,247.38
  6. Step 6: Final answer
    x = 656,954.68

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Half scale
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Double scale
Find fourth proportional to 863,248.38, 1,191,285.05 and 476,054.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.