Home / 509,384.19-702,909.03-294,538.17

Finding the Fourth Proportional to 509,384.19, 702,909.03 and 294,538.17

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Solution

The fourth proportional to 509,384.19, 702,909.03 and 294,538.17 is: 406,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,384.19 : 702,909.03 = 294,538.17 : x
  2. Step 2: Convert to fraction form
    509,384.19/702,909.03 = 294,538.17/x
  3. Step 3: Cross multiply
    509,384.19x = 702,909.03 × 294,538.17
  4. Step 4: Simplify right side
    509,384.19x = 207,033,539,372.68
  5. Step 5: Solve for x
    x = 207,033,539,372.68/509,384.19
  6. Step 6: Final answer
    x = 406,438.88

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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.