Home / 1,013,641.80-1,398,687.30-605,657.40

Finding the Fourth Proportional to 1,013,641.80, 1,398,687.30 and 605,657.40

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Solution

The fourth proportional to 1,013,641.80, 1,398,687.30 and 605,657.40 is: 835,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,641.80 : 1,398,687.30 = 605,657.40 : x
  2. Step 2: Convert to fraction form
    1,013,641.80/1,398,687.30 = 605,657.40/x
  3. Step 3: Cross multiply
    1,013,641.80x = 1,398,687.30 × 605,657.40
  4. Step 4: Simplify right side
    1,013,641.80x = 847,125,313,531.02
  5. Step 5: Solve for x
    x = 847,125,313,531.02/1,013,641.80
  6. Step 6: Final answer
    x = 835,724.53

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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.