Home / 527,200.15-727,534.88-285,482.72

Finding the Fourth Proportional to 527,200.15, 727,534.88 and 285,482.72

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Solution

The fourth proportional to 527,200.15, 727,534.88 and 285,482.72 is: 393,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,200.15 : 727,534.88 = 285,482.72 : x
  2. Step 2: Convert to fraction form
    527,200.15/727,534.88 = 285,482.72/x
  3. Step 3: Cross multiply
    527,200.15x = 727,534.88 × 285,482.72
  4. Step 4: Simplify right side
    527,200.15x = 207,698,631,372.19
  5. Step 5: Solve for x
    x = 207,698,631,372.19/527,200.15
  6. Step 6: Final answer
    x = 393,965.43

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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.