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Finding the Fourth Proportional to 840,597.64, 1,160,024.73 and 538,791.64

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Solution

The fourth proportional to 840,597.64, 1,160,024.73 and 538,791.64 is: 743,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,597.64 : 1,160,024.73 = 538,791.64 : x
  2. Step 2: Convert to fraction form
    840,597.64/1,160,024.73 = 538,791.64/x
  3. Step 3: Cross multiply
    840,597.64x = 1,160,024.73 × 538,791.64
  4. Step 4: Simplify right side
    840,597.64x = 625,011,626,717.26
  5. Step 5: Solve for x
    x = 625,011,626,717.26/840,597.64
  6. Step 6: Final answer
    x = 743,532.45

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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.