Home / 742,793.27-1,113,905.57-316,062.18

Finding the Fourth Proportional to 742,793.27, 1,113,905.57 and 316,062.18

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Solution

The fourth proportional to 742,793.27, 1,113,905.57 and 316,062.18 is: 473,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,793.27 : 1,113,905.57 = 316,062.18 : x
  2. Step 2: Convert to fraction form
    742,793.27/1,113,905.57 = 316,062.18/x
  3. Step 3: Cross multiply
    742,793.27x = 1,113,905.57 × 316,062.18
  4. Step 4: Simplify right side
    742,793.27x = 352,063,421,188.03
  5. Step 5: Solve for x
    x = 352,063,421,188.03/742,793.27
  6. Step 6: Final answer
    x = 473,972.29

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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.