Home / 656,897.40-985,346.10-236,215.80

Finding the Fourth Proportional to 656,897.40, 985,346.10 and 236,215.80

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Solution

The fourth proportional to 656,897.40, 985,346.10 and 236,215.80 is: 354,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,897.40 : 985,346.10 = 236,215.80 : x
  2. Step 2: Convert to fraction form
    656,897.40/985,346.10 = 236,215.80/x
  3. Step 3: Cross multiply
    656,897.40x = 985,346.10 × 236,215.80
  4. Step 4: Simplify right side
    656,897.40x = 232,754,317,288.38
  5. Step 5: Solve for x
    x = 232,754,317,288.38/656,897.40
  6. Step 6: Final answer
    x = 354,323.70

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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.