Home / 527,153.59-727,283.77-323,130.79

Finding the Fourth Proportional to 527,153.59, 727,283.77 and 323,130.79

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Solution

The fourth proportional to 527,153.59, 727,283.77 and 323,130.79 is: 445,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,153.59 : 727,283.77 = 323,130.79 : x
  2. Step 2: Convert to fraction form
    527,153.59/727,283.77 = 323,130.79/x
  3. Step 3: Cross multiply
    527,153.59x = 727,283.77 × 323,130.79
  4. Step 4: Simplify right side
    527,153.59x = 235,007,779,154.28
  5. Step 5: Solve for x
    x = 235,007,779,154.28/527,153.59
  6. Step 6: Final answer
    x = 445,805.14

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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.