Home / 953,147.28-1,315,347.66-545,253.60

Finding the Fourth Proportional to 953,147.28, 1,315,347.66 and 545,253.60

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Solution

The fourth proportional to 953,147.28, 1,315,347.66 and 545,253.60 is: 752,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,147.28 : 1,315,347.66 = 545,253.60 : x
  2. Step 2: Convert to fraction form
    953,147.28/1,315,347.66 = 545,253.60/x
  3. Step 3: Cross multiply
    953,147.28x = 1,315,347.66 × 545,253.60
  4. Step 4: Simplify right side
    953,147.28x = 717,198,046,866.58
  5. Step 5: Solve for x
    x = 717,198,046,866.58/953,147.28
  6. Step 6: Final answer
    x = 752,452.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.