Home / 681,026.16-940,176.77-527,720.19

Finding the Fourth Proportional to 681,026.16, 940,176.77 and 527,720.19

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Solution

The fourth proportional to 681,026.16, 940,176.77 and 527,720.19 is: 728,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,026.16 : 940,176.77 = 527,720.19 : x
  2. Step 2: Convert to fraction form
    681,026.16/940,176.77 = 527,720.19/x
  3. Step 3: Cross multiply
    681,026.16x = 940,176.77 × 527,720.19
  4. Step 4: Simplify right side
    681,026.16x = 496,150,263,146.40
  5. Step 5: Solve for x
    x = 496,150,263,146.40/681,026.16
  6. Step 6: Final answer
    x = 728,533.35

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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.