Home / 742,325.40-1,113,488.10-656,704.35

Finding the Fourth Proportional to 742,325.40, 1,113,488.10 and 656,704.35

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Solution

The fourth proportional to 742,325.40, 1,113,488.10 and 656,704.35 is: 985,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,325.40 : 1,113,488.10 = 656,704.35 : x
  2. Step 2: Convert to fraction form
    742,325.40/1,113,488.10 = 656,704.35/x
  3. Step 3: Cross multiply
    742,325.40x = 1,113,488.10 × 656,704.35
  4. Step 4: Simplify right side
    742,325.40x = 731,232,478,943.24
  5. Step 5: Solve for x
    x = 731,232,478,943.24/742,325.40
  6. Step 6: Final answer
    x = 985,056.53

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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.