Home / 983,401.30-1,475,101.95-717,680.80

Finding the Fourth Proportional to 983,401.30, 1,475,101.95 and 717,680.80

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Solution

The fourth proportional to 983,401.30, 1,475,101.95 and 717,680.80 is: 1,076,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,401.30 : 1,475,101.95 = 717,680.80 : x
  2. Step 2: Convert to fraction form
    983,401.30/1,475,101.95 = 717,680.80/x
  3. Step 3: Cross multiply
    983,401.30x = 1,475,101.95 × 717,680.80
  4. Step 4: Simplify right side
    983,401.30x = 1,058,652,347,557.56
  5. Step 5: Solve for x
    x = 1,058,652,347,557.56/983,401.30
  6. Step 6: Final answer
    x = 1,076,521.20

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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.