Home / 1,008,290.85-1,512,436.28-534,732.45

Finding the Fourth Proportional to 1,008,290.85, 1,512,436.28 and 534,732.45

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Solution

The fourth proportional to 1,008,290.85, 1,512,436.28 and 534,732.45 is: 802,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,290.85 : 1,512,436.28 = 534,732.45 : x
  2. Step 2: Convert to fraction form
    1,008,290.85/1,512,436.28 = 534,732.45/x
  3. Step 3: Cross multiply
    1,008,290.85x = 1,512,436.28 × 534,732.45
  4. Step 4: Simplify right side
    1,008,290.85x = 808,748,754,799.62
  5. Step 5: Solve for x
    x = 808,748,754,799.62/1,008,290.85
  6. Step 6: Final answer
    x = 802,098.68

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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.