Home / 572,022.30-858,033.45-145,557.30

Finding the Fourth Proportional to 572,022.30, 858,033.45 and 145,557.30

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Solution

The fourth proportional to 572,022.30, 858,033.45 and 145,557.30 is: 218,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022.30 : 858,033.45 = 145,557.30 : x
  2. Step 2: Convert to fraction form
    572,022.30/858,033.45 = 145,557.30/x
  3. Step 3: Cross multiply
    572,022.30x = 858,033.45 × 145,557.30
  4. Step 4: Simplify right side
    572,022.30x = 124,893,032,291.69
  5. Step 5: Solve for x
    x = 124,893,032,291.69/572,022.30
  6. Step 6: Final answer
    x = 218,335.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.