Home / 1,719,129.02-2,578,779.19-654,253.61

Finding the Fourth Proportional to 1,719,129.02, 2,578,779.19 and 654,253.61

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Solution

The fourth proportional to 1,719,129.02, 2,578,779.19 and 654,253.61 is: 981,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,129.02 : 2,578,779.19 = 654,253.61 : x
  2. Step 2: Convert to fraction form
    1,719,129.02/2,578,779.19 = 654,253.61/x
  3. Step 3: Cross multiply
    1,719,129.02x = 2,578,779.19 × 654,253.61
  4. Step 4: Simplify right side
    1,719,129.02x = 1,687,175,599,261.69
  5. Step 5: Solve for x
    x = 1,687,175,599,261.69/1,719,129.02
  6. Step 6: Final answer
    x = 981,413.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.