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Finding the Fourth Proportional to 817,805.60, 1,226,708.40 and 593,856.80

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Solution

The fourth proportional to 817,805.60, 1,226,708.40 and 593,856.80 is: 890,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,805.60 : 1,226,708.40 = 593,856.80 : x
  2. Step 2: Convert to fraction form
    817,805.60/1,226,708.40 = 593,856.80/x
  3. Step 3: Cross multiply
    817,805.60x = 1,226,708.40 × 593,856.80
  4. Step 4: Simplify right side
    817,805.60x = 728,489,124,957.12
  5. Step 5: Solve for x
    x = 728,489,124,957.12/817,805.60
  6. Step 6: Final answer
    x = 890,785.20

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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.