Home / 976,704.20-1,465,056.30-577,795.40

Finding the Fourth Proportional to 976,704.20, 1,465,056.30 and 577,795.40

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Solution

The fourth proportional to 976,704.20, 1,465,056.30 and 577,795.40 is: 866,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,704.20 : 1,465,056.30 = 577,795.40 : x
  2. Step 2: Convert to fraction form
    976,704.20/1,465,056.30 = 577,795.40/x
  3. Step 3: Cross multiply
    976,704.20x = 1,465,056.30 × 577,795.40
  4. Step 4: Simplify right side
    976,704.20x = 846,502,790,881.02
  5. Step 5: Solve for x
    x = 846,502,790,881.02/976,704.20
  6. Step 6: Final answer
    x = 866,693.10

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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.