Home / 927,087.46-1,279,350.79-513,607.22

Finding the Fourth Proportional to 927,087.46, 1,279,350.79 and 513,607.22

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Solution

The fourth proportional to 927,087.46, 1,279,350.79 and 513,607.22 is: 708,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,087.46 : 1,279,350.79 = 513,607.22 : x
  2. Step 2: Convert to fraction form
    927,087.46/1,279,350.79 = 513,607.22/x
  3. Step 3: Cross multiply
    927,087.46x = 1,279,350.79 × 513,607.22
  4. Step 4: Simplify right side
    927,087.46x = 657,083,804,894.48
  5. Step 5: Solve for x
    x = 657,083,804,894.48/927,087.46
  6. Step 6: Final answer
    x = 708,761.40

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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.