Home / 953,147.78-1,315,348.36-545,254.10

Finding the Fourth Proportional to 953,147.78, 1,315,348.36 and 545,254.10

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Solution

The fourth proportional to 953,147.78, 1,315,348.36 and 545,254.10 is: 752,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,147.78 : 1,315,348.36 = 545,254.10 : x
  2. Step 2: Convert to fraction form
    953,147.78/1,315,348.36 = 545,254.10/x
  3. Step 3: Cross multiply
    953,147.78x = 1,315,348.36 × 545,254.10
  4. Step 4: Simplify right side
    953,147.78x = 717,199,086,218.28
  5. Step 5: Solve for x
    x = 717,199,086,218.28/953,147.78
  6. Step 6: Final answer
    x = 752,453.19

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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.