Home / 1,012,408.84-1,397,064.20-559,672.84

Finding the Fourth Proportional to 1,012,408.84, 1,397,064.20 and 559,672.84

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Solution

The fourth proportional to 1,012,408.84, 1,397,064.20 and 559,672.84 is: 772,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,408.84 : 1,397,064.20 = 559,672.84 : x
  2. Step 2: Convert to fraction form
    1,012,408.84/1,397,064.20 = 559,672.84/x
  3. Step 3: Cross multiply
    1,012,408.84x = 1,397,064.20 × 559,672.84
  4. Step 4: Simplify right side
    1,012,408.84x = 781,898,888,476.33
  5. Step 5: Solve for x
    x = 781,898,888,476.33/1,012,408.84
  6. Step 6: Final answer
    x = 772,315.35

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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.