Home / 712,060.45-982,618.95-406,235.83

Finding the Fourth Proportional to 712,060.45, 982,618.95 and 406,235.83

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Solution

The fourth proportional to 712,060.45, 982,618.95 and 406,235.83 is: 560,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,060.45 : 982,618.95 = 406,235.83 : x
  2. Step 2: Convert to fraction form
    712,060.45/982,618.95 = 406,235.83/x
  3. Step 3: Cross multiply
    712,060.45x = 982,618.95 × 406,235.83
  4. Step 4: Simplify right side
    712,060.45x = 399,175,024,726.98
  5. Step 5: Solve for x
    x = 399,175,024,726.98/712,060.45
  6. Step 6: Final answer
    x = 560,591.49

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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.