Home / 960,031.70-1,440,047.55-661,433.30

Finding the Fourth Proportional to 960,031.70, 1,440,047.55 and 661,433.30

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Solution

The fourth proportional to 960,031.70, 1,440,047.55 and 661,433.30 is: 992,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,031.70 : 1,440,047.55 = 661,433.30 : x
  2. Step 2: Convert to fraction form
    960,031.70/1,440,047.55 = 661,433.30/x
  3. Step 3: Cross multiply
    960,031.70x = 1,440,047.55 × 661,433.30
  4. Step 4: Simplify right side
    960,031.70x = 952,495,403,153.42
  5. Step 5: Solve for x
    x = 952,495,403,153.42/960,031.70
  6. Step 6: Final answer
    x = 992,149.95

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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.