Home / 539,871.04-745,022.02-313,531.12

Finding the Fourth Proportional to 539,871.04, 745,022.02 and 313,531.12

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Solution

The fourth proportional to 539,871.04, 745,022.02 and 313,531.12 is: 432,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,871.04 : 745,022.02 = 313,531.12 : x
  2. Step 2: Convert to fraction form
    539,871.04/745,022.02 = 313,531.12/x
  3. Step 3: Cross multiply
    539,871.04x = 745,022.02 × 313,531.12
  4. Step 4: Simplify right side
    539,871.04x = 233,587,588,355.26
  5. Step 5: Solve for x
    x = 233,587,588,355.26/539,871.04
  6. Step 6: Final answer
    x = 432,672.94

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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.