Home / 896,429.19-1,237,072.28-494,021.19

Finding the Fourth Proportional to 896,429.19, 1,237,072.28 and 494,021.19

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Solution

The fourth proportional to 896,429.19, 1,237,072.28 and 494,021.19 is: 681,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,429.19 : 1,237,072.28 = 494,021.19 : x
  2. Step 2: Convert to fraction form
    896,429.19/1,237,072.28 = 494,021.19/x
  3. Step 3: Cross multiply
    896,429.19x = 1,237,072.28 × 494,021.19
  4. Step 4: Simplify right side
    896,429.19x = 611,139,919,881.61
  5. Step 5: Solve for x
    x = 611,139,919,881.61/896,429.19
  6. Step 6: Final answer
    x = 681,749.24

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Half scale
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Double scale
Find fourth proportional to 896,430.19, 1,237,073.66 and 494,022.19
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.