Home / 856,743.38-1,182,305.77-474,770.16

Finding the Fourth Proportional to 856,743.38, 1,182,305.77 and 474,770.16

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Solution

The fourth proportional to 856,743.38, 1,182,305.77 and 474,770.16 is: 655,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,743.38 : 1,182,305.77 = 474,770.16 : x
  2. Step 2: Convert to fraction form
    856,743.38/1,182,305.77 = 474,770.16/x
  3. Step 3: Cross multiply
    856,743.38x = 1,182,305.77 × 474,770.16
  4. Step 4: Simplify right side
    856,743.38x = 561,323,498,404.90
  5. Step 5: Solve for x
    x = 561,323,498,404.90/856,743.38
  6. Step 6: Final answer
    x = 655,182.77

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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.