Home / 1,015,251.57-1,400,999.09-607,577.72

Finding the Fourth Proportional to 1,015,251.57, 1,400,999.09 and 607,577.72

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Solution

The fourth proportional to 1,015,251.57, 1,400,999.09 and 607,577.72 is: 838,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,251.57 : 1,400,999.09 = 607,577.72 : x
  2. Step 2: Convert to fraction form
    1,015,251.57/1,400,999.09 = 607,577.72/x
  3. Step 3: Cross multiply
    1,015,251.57x = 1,400,999.09 × 607,577.72
  4. Step 4: Simplify right side
    1,015,251.57x = 851,215,822,781.39
  5. Step 5: Solve for x
    x = 851,215,822,781.39/1,015,251.57
  6. Step 6: Final answer
    x = 838,428.47

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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.