Home / 853,747.73-1,178,188.76-466,587.12

Finding the Fourth Proportional to 853,747.73, 1,178,188.76 and 466,587.12

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Solution

The fourth proportional to 853,747.73, 1,178,188.76 and 466,587.12 is: 643,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,747.73 : 1,178,188.76 = 466,587.12 : x
  2. Step 2: Convert to fraction form
    853,747.73/1,178,188.76 = 466,587.12/x
  3. Step 3: Cross multiply
    853,747.73x = 1,178,188.76 × 466,587.12
  4. Step 4: Simplify right side
    853,747.73x = 549,727,700,344.77
  5. Step 5: Solve for x
    x = 549,727,700,344.77/853,747.73
  6. Step 6: Final answer
    x = 643,899.46

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Double scale
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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.