Home / 953,380.35-1,315,674.36-517,806.20

Finding the Fourth Proportional to 953,380.35, 1,315,674.36 and 517,806.20

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Solution

The fourth proportional to 953,380.35, 1,315,674.36 and 517,806.20 is: 714,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,380.35 : 1,315,674.36 = 517,806.20 : x
  2. Step 2: Convert to fraction form
    953,380.35/1,315,674.36 = 517,806.20/x
  3. Step 3: Cross multiply
    953,380.35x = 1,315,674.36 × 517,806.20
  4. Step 4: Simplify right side
    953,380.35x = 681,264,344,078.22
  5. Step 5: Solve for x
    x = 681,264,344,078.22/953,380.35
  6. Step 6: Final answer
    x = 714,577.71

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Double scale
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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.