Home / 747,365.40-1,121,048.10-706,031.10

Finding the Fourth Proportional to 747,365.40, 1,121,048.10 and 706,031.10

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Solution

The fourth proportional to 747,365.40, 1,121,048.10 and 706,031.10 is: 1,059,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,365.40 : 1,121,048.10 = 706,031.10 : x
  2. Step 2: Convert to fraction form
    747,365.40/1,121,048.10 = 706,031.10/x
  3. Step 3: Cross multiply
    747,365.40x = 1,121,048.10 × 706,031.10
  4. Step 4: Simplify right side
    747,365.40x = 791,494,823,195.91
  5. Step 5: Solve for x
    x = 791,494,823,195.91/747,365.40
  6. Step 6: Final answer
    x = 1,059,046.65

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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.