Home / 864,126.95-1,192,404.76-476,935.24

Finding the Fourth Proportional to 864,126.95, 1,192,404.76 and 476,935.24

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Solution

The fourth proportional to 864,126.95, 1,192,404.76 and 476,935.24 is: 658,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,126.95 : 1,192,404.76 = 476,935.24 : x
  2. Step 2: Convert to fraction form
    864,126.95/1,192,404.76 = 476,935.24/x
  3. Step 3: Cross multiply
    864,126.95x = 1,192,404.76 × 476,935.24
  4. Step 4: Simplify right side
    864,126.95x = 568,699,850,387.74
  5. Step 5: Solve for x
    x = 568,699,850,387.74/864,126.95
  6. Step 6: Final answer
    x = 658,120.72

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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.