Home / 534,006.93-736,927.65-288,991.20

Finding the Fourth Proportional to 534,006.93, 736,927.65 and 288,991.20

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Solution

The fourth proportional to 534,006.93, 736,927.65 and 288,991.20 is: 398,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,006.93 : 736,927.65 = 288,991.20 : x
  2. Step 2: Convert to fraction form
    534,006.93/736,927.65 = 288,991.20/x
  3. Step 3: Cross multiply
    534,006.93x = 736,927.65 × 288,991.20
  4. Step 4: Simplify right side
    534,006.93x = 212,965,605,886.68
  5. Step 5: Solve for x
    x = 212,965,605,886.68/534,006.93
  6. Step 6: Final answer
    x = 398,806.82

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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.