Home / 416,729.19-575,089.02-225,742.62

Finding the Fourth Proportional to 416,729.19, 575,089.02 and 225,742.62

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Solution

The fourth proportional to 416,729.19, 575,089.02 and 225,742.62 is: 311,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,729.19 : 575,089.02 = 225,742.62 : x
  2. Step 2: Convert to fraction form
    416,729.19/575,089.02 = 225,742.62/x
  3. Step 3: Cross multiply
    416,729.19x = 575,089.02 × 225,742.62
  4. Step 4: Simplify right side
    416,729.19x = 129,822,102,108.03
  5. Step 5: Solve for x
    x = 129,822,102,108.03/416,729.19
  6. Step 6: Final answer
    x = 311,526.30

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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.