Home / 1,207,413.60-1,666,150.20-663,537.60

Finding the Fourth Proportional to 1,207,413.60, 1,666,150.20 and 663,537.60

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Solution

The fourth proportional to 1,207,413.60, 1,666,150.20 and 663,537.60 is: 915,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,413.60 : 1,666,150.20 = 663,537.60 : x
  2. Step 2: Convert to fraction form
    1,207,413.60/1,666,150.20 = 663,537.60/x
  3. Step 3: Cross multiply
    1,207,413.60x = 1,666,150.20 × 663,537.60
  4. Step 4: Simplify right side
    1,207,413.60x = 1,105,553,304,947.52
  5. Step 5: Solve for x
    x = 1,105,553,304,947.52/1,207,413.60
  6. Step 6: Final answer
    x = 915,637.61

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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.