Home / 527,294.16-727,718.04-300,973.68

Finding the Fourth Proportional to 527,294.16, 727,718.04 and 300,973.68

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Solution

The fourth proportional to 527,294.16, 727,718.04 and 300,973.68 is: 415,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,294.16 : 727,718.04 = 300,973.68 : x
  2. Step 2: Convert to fraction form
    527,294.16/727,718.04 = 300,973.68/x
  3. Step 3: Cross multiply
    527,294.16x = 727,718.04 × 300,973.68
  4. Step 4: Simplify right side
    527,294.16x = 219,023,976,501.19
  5. Step 5: Solve for x
    x = 219,023,976,501.19/527,294.16
  6. Step 6: Final answer
    x = 415,373.42

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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.