Home / 741,301.76-1,022,989.28-414,611.20

Finding the Fourth Proportional to 741,301.76, 1,022,989.28 and 414,611.20

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Solution

The fourth proportional to 741,301.76, 1,022,989.28 and 414,611.20 is: 572,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,301.76 : 1,022,989.28 = 414,611.20 : x
  2. Step 2: Convert to fraction form
    741,301.76/1,022,989.28 = 414,611.20/x
  3. Step 3: Cross multiply
    741,301.76x = 1,022,989.28 × 414,611.20
  4. Step 4: Simplify right side
    741,301.76x = 424,142,812,967.94
  5. Step 5: Solve for x
    x = 424,142,812,967.94/741,301.76
  6. Step 6: Final answer
    x = 572,159.46

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1.5x scale

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.