Home / 1,000,903.96-1,381,251.21-542,018.74

Finding the Fourth Proportional to 1,000,903.96, 1,381,251.21 and 542,018.74

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Solution

The fourth proportional to 1,000,903.96, 1,381,251.21 and 542,018.74 is: 747,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,903.96 : 1,381,251.21 = 542,018.74 : x
  2. Step 2: Convert to fraction form
    1,000,903.96/1,381,251.21 = 542,018.74/x
  3. Step 3: Cross multiply
    1,000,903.96x = 1,381,251.21 × 542,018.74
  4. Step 4: Simplify right side
    1,000,903.96x = 748,664,040,467.68
  5. Step 5: Solve for x
    x = 748,664,040,467.68/1,000,903.96
  6. Step 6: Final answer
    x = 747,987.89

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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.