Home / 534,010.96-736,933.14-288,995.20

Finding the Fourth Proportional to 534,010.96, 736,933.14 and 288,995.20

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Solution

The fourth proportional to 534,010.96, 736,933.14 and 288,995.20 is: 398,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,010.96 : 736,933.14 = 288,995.20 : x
  2. Step 2: Convert to fraction form
    534,010.96/736,933.14 = 288,995.20/x
  3. Step 3: Cross multiply
    534,010.96x = 736,933.14 × 288,995.20
  4. Step 4: Simplify right side
    534,010.96x = 212,970,140,180.93
  5. Step 5: Solve for x
    x = 212,970,140,180.93/534,010.96
  6. Step 6: Final answer
    x = 398,812.30

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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.