Home / 1,679,259.95-2,519,041.19-542,049.11

Finding the Fourth Proportional to 1,679,259.95, 2,519,041.19 and 542,049.11

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Solution

The fourth proportional to 1,679,259.95, 2,519,041.19 and 542,049.11 is: 813,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,259.95 : 2,519,041.19 = 542,049.11 : x
  2. Step 2: Convert to fraction form
    1,679,259.95/2,519,041.19 = 542,049.11/x
  3. Step 3: Cross multiply
    1,679,259.95x = 2,519,041.19 × 542,049.11
  4. Step 4: Simplify right side
    1,679,259.95x = 1,365,444,019,787.39
  5. Step 5: Solve for x
    x = 1,365,444,019,787.39/1,679,259.95
  6. Step 6: Final answer
    x = 813,122.49

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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.