Home / 840,413.43-1,159,763.13-458,432.01

Finding the Fourth Proportional to 840,413.43, 1,159,763.13 and 458,432.01

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Solution

The fourth proportional to 840,413.43, 1,159,763.13 and 458,432.01 is: 632,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,413.43 : 1,159,763.13 = 458,432.01 : x
  2. Step 2: Convert to fraction form
    840,413.43/1,159,763.13 = 458,432.01/x
  3. Step 3: Cross multiply
    840,413.43x = 1,159,763.13 × 458,432.01
  4. Step 4: Simplify right side
    840,413.43x = 531,672,542,809.79
  5. Step 5: Solve for x
    x = 531,672,542,809.79/840,413.43
  6. Step 6: Final answer
    x = 632,632.14

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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.