Home / 731,446.12-1,009,390.98-409,154.68

Finding the Fourth Proportional to 731,446.12, 1,009,390.98 and 409,154.68

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Solution

The fourth proportional to 731,446.12, 1,009,390.98 and 409,154.68 is: 564,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,446.12 : 1,009,390.98 = 409,154.68 : x
  2. Step 2: Convert to fraction form
    731,446.12/1,009,390.98 = 409,154.68/x
  3. Step 3: Cross multiply
    731,446.12x = 1,009,390.98 × 409,154.68
  4. Step 4: Simplify right side
    731,446.12x = 412,997,043,416.79
  5. Step 5: Solve for x
    x = 412,997,043,416.79/731,446.12
  6. Step 6: Final answer
    x = 564,630.85

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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.