Home / 649,254.16-973,985.92-199,974.88

Finding the Fourth Proportional to 649,254.16, 973,985.92 and 199,974.88

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Solution

The fourth proportional to 649,254.16, 973,985.92 and 199,974.88 is: 299,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,254.16 : 973,985.92 = 199,974.88 : x
  2. Step 2: Convert to fraction form
    649,254.16/973,985.92 = 199,974.88/x
  3. Step 3: Cross multiply
    649,254.16x = 973,985.92 × 199,974.88
  4. Step 4: Simplify right side
    649,254.16x = 194,772,712,712.56
  5. Step 5: Solve for x
    x = 194,772,712,712.56/649,254.16
  6. Step 6: Final answer
    x = 299,994.56

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Half scale
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Double scale
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Similar ratio
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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.