Home / 953,146.78-1,315,346.97-545,253.10

Finding the Fourth Proportional to 953,146.78, 1,315,346.97 and 545,253.10

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Solution

The fourth proportional to 953,146.78, 1,315,346.97 and 545,253.10 is: 752,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,146.78 : 1,315,346.97 = 545,253.10 : x
  2. Step 2: Convert to fraction form
    953,146.78/1,315,346.97 = 545,253.10/x
  3. Step 3: Cross multiply
    953,146.78x = 1,315,346.97 × 545,253.10
  4. Step 4: Simplify right side
    953,146.78x = 717,197,012,968.11
  5. Step 5: Solve for x
    x = 717,197,012,968.11/953,146.78
  6. Step 6: Final answer
    x = 752,451.80

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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.