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Finding the Fourth Proportional to 985,592.80, 1,360,120 and 532,883.80

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Solution

The fourth proportional to 985,592.80, 1,360,120 and 532,883.80 is: 735,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,592.80 : 1,360,120 = 532,883.80 : x
  2. Step 2: Convert to fraction form
    985,592.80/1,360,120 = 532,883.80/x
  3. Step 3: Cross multiply
    985,592.80x = 1,360,120 × 532,883.80
  4. Step 4: Simplify right side
    985,592.80x = 724,785,914,056.00
  5. Step 5: Solve for x
    x = 724,785,914,056.00/985,592.80
  6. Step 6: Final answer
    x = 735,380.69

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1.5x scale

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.