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Finding the Fourth Proportional to 898,552.24, 1,239,996 and 496,144.24

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Solution

The fourth proportional to 898,552.24, 1,239,996 and 496,144.24 is: 684,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,552.24 : 1,239,996 = 496,144.24 : x
  2. Step 2: Convert to fraction form
    898,552.24/1,239,996 = 496,144.24/x
  3. Step 3: Cross multiply
    898,552.24x = 1,239,996 × 496,144.24
  4. Step 4: Simplify right side
    898,552.24x = 615,216,873,023.04
  5. Step 5: Solve for x
    x = 615,216,873,023.04/898,552.24
  6. Step 6: Final answer
    x = 684,675.69

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Half scale
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Double scale
Find fourth proportional to 898,553.24, 1,239,997.38 and 496,145.24
Similar ratio
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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.