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Finding the Fourth Proportional to 750,612.48, 1,123,259.04 and 662,039.04

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Solution

The fourth proportional to 750,612.48, 1,123,259.04 and 662,039.04 is: 990,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,612.48 : 1,123,259.04 = 662,039.04 : x
  2. Step 2: Convert to fraction form
    750,612.48/1,123,259.04 = 662,039.04/x
  3. Step 3: Cross multiply
    750,612.48x = 1,123,259.04 × 662,039.04
  4. Step 4: Simplify right side
    750,612.48x = 743,641,336,512.92
  5. Step 5: Solve for x
    x = 743,641,336,512.92/750,612.48
  6. Step 6: Final answer
    x = 990,712.73

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1.5x scale

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.