Home / 408,495.18-563,327.55-272,534.67

Finding the Fourth Proportional to 408,495.18, 563,327.55 and 272,534.67

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Solution

The fourth proportional to 408,495.18, 563,327.55 and 272,534.67 is: 375,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,495.18 : 563,327.55 = 272,534.67 : x
  2. Step 2: Convert to fraction form
    408,495.18/563,327.55 = 272,534.67/x
  3. Step 3: Cross multiply
    408,495.18x = 563,327.55 × 272,534.67
  4. Step 4: Simplify right side
    408,495.18x = 153,526,287,941.16
  5. Step 5: Solve for x
    x = 153,526,287,941.16/408,495.18
  6. Step 6: Final answer
    x = 375,833.78

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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.