Home / 1,000,885.46-1,381,320.72-571,229.87

Finding the Fourth Proportional to 1,000,885.46, 1,381,320.72 and 571,229.87

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Solution

The fourth proportional to 1,000,885.46, 1,381,320.72 and 571,229.87 is: 788,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,885.46 : 1,381,320.72 = 571,229.87 : x
  2. Step 2: Convert to fraction form
    1,000,885.46/1,381,320.72 = 571,229.87/x
  3. Step 3: Cross multiply
    1,000,885.46x = 1,381,320.72 × 571,229.87
  4. Step 4: Simplify right side
    1,000,885.46x = 789,051,648,407.30
  5. Step 5: Solve for x
    x = 789,051,648,407.30/1,000,885.46
  6. Step 6: Final answer
    x = 788,353.60

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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.