Home / 1,251,127.29-1,726,509.41-678,155.16

Finding the Fourth Proportional to 1,251,127.29, 1,726,509.41 and 678,155.16

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Solution

The fourth proportional to 1,251,127.29, 1,726,509.41 and 678,155.16 is: 935,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,127.29 : 1,726,509.41 = 678,155.16 : x
  2. Step 2: Convert to fraction form
    1,251,127.29/1,726,509.41 = 678,155.16/x
  3. Step 3: Cross multiply
    1,251,127.29x = 1,726,509.41 × 678,155.16
  4. Step 4: Simplify right side
    1,251,127.29x = 1,170,841,265,180.06
  5. Step 5: Solve for x
    x = 1,170,841,265,180.06/1,251,127.29
  6. Step 6: Final answer
    x = 935,829.05

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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.