Home / 732,904.10-1,099,356.15-659,420.90

Finding the Fourth Proportional to 732,904.10, 1,099,356.15 and 659,420.90

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Solution

The fourth proportional to 732,904.10, 1,099,356.15 and 659,420.90 is: 989,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,904.10 : 1,099,356.15 = 659,420.90 : x
  2. Step 2: Convert to fraction form
    732,904.10/1,099,356.15 = 659,420.90/x
  3. Step 3: Cross multiply
    732,904.10x = 1,099,356.15 × 659,420.90
  4. Step 4: Simplify right side
    732,904.10x = 724,938,421,853.54
  5. Step 5: Solve for x
    x = 724,938,421,853.54/732,904.10
  6. Step 6: Final answer
    x = 989,131.35

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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.