Home / 691,536.40-1,038,082.20-534,461.20

Finding the Fourth Proportional to 691,536.40, 1,038,082.20 and 534,461.20

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Solution

The fourth proportional to 691,536.40, 1,038,082.20 and 534,461.20 is: 802,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,536.40 : 1,038,082.20 = 534,461.20 : x
  2. Step 2: Convert to fraction form
    691,536.40/1,038,082.20 = 534,461.20/x
  3. Step 3: Cross multiply
    691,536.40x = 1,038,082.20 × 534,461.20
  4. Step 4: Simplify right side
    691,536.40x = 554,814,658,310.64
  5. Step 5: Solve for x
    x = 554,814,658,310.64/691,536.40
  6. Step 6: Final answer
    x = 802,292.78

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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.