Home / 900,552.98-1,242,772.92-492,646.04

Finding the Fourth Proportional to 900,552.98, 1,242,772.92 and 492,646.04

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Solution

The fourth proportional to 900,552.98, 1,242,772.92 and 492,646.04 is: 679,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,552.98 : 1,242,772.92 = 492,646.04 : x
  2. Step 2: Convert to fraction form
    900,552.98/1,242,772.92 = 492,646.04/x
  3. Step 3: Cross multiply
    900,552.98x = 1,242,772.92 × 492,646.04
  4. Step 4: Simplify right side
    900,552.98x = 612,247,157,657.24
  5. Step 5: Solve for x
    x = 612,247,157,657.24/900,552.98
  6. Step 6: Final answer
    x = 679,856.90

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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.