Home / 1,157,693.28-1,598,172.03-813,823.98

Finding the Fourth Proportional to 1,157,693.28, 1,598,172.03 and 813,823.98

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Solution

The fourth proportional to 1,157,693.28, 1,598,172.03 and 813,823.98 is: 1,123,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,693.28 : 1,598,172.03 = 813,823.98 : x
  2. Step 2: Convert to fraction form
    1,157,693.28/1,598,172.03 = 813,823.98/x
  3. Step 3: Cross multiply
    1,157,693.28x = 1,598,172.03 × 813,823.98
  4. Step 4: Simplify right side
    1,157,693.28x = 1,300,630,722,179.28
  5. Step 5: Solve for x
    x = 1,300,630,722,179.28/1,157,693.28
  6. Step 6: Final answer
    x = 1,123,467.45

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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.