Home / 1,118,748.18-1,677,211.29-520,086.90

Finding the Fourth Proportional to 1,118,748.18, 1,677,211.29 and 520,086.90

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Solution

The fourth proportional to 1,118,748.18, 1,677,211.29 and 520,086.90 is: 779,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,748.18 : 1,677,211.29 = 520,086.90 : x
  2. Step 2: Convert to fraction form
    1,118,748.18/1,677,211.29 = 520,086.90/x
  3. Step 3: Cross multiply
    1,118,748.18x = 1,677,211.29 × 520,086.90
  4. Step 4: Simplify right side
    1,118,748.18x = 872,295,620,461.10
  5. Step 5: Solve for x
    x = 872,295,620,461.10/1,118,748.18
  6. Step 6: Final answer
    x = 779,706.85

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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.