Home / 911,720.80-1,365,612.90-592,856.20

Finding the Fourth Proportional to 911,720.80, 1,365,612.90 and 592,856.20

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Solution

The fourth proportional to 911,720.80, 1,365,612.90 and 592,856.20 is: 888,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,720.80 : 1,365,612.90 = 592,856.20 : x
  2. Step 2: Convert to fraction form
    911,720.80/1,365,612.90 = 592,856.20/x
  3. Step 3: Cross multiply
    911,720.80x = 1,365,612.90 × 592,856.20
  4. Step 4: Simplify right side
    911,720.80x = 809,612,074,564.98
  5. Step 5: Solve for x
    x = 809,612,074,564.98/911,720.80
  6. Step 6: Final answer
    x = 888,004.39

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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.