Home / 405,445.28-608,470.85-152,974.76

Finding the Fourth Proportional to 405,445.28, 608,470.85 and 152,974.76

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Solution

The fourth proportional to 405,445.28, 608,470.85 and 152,974.76 is: 229,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,445.28 : 608,470.85 = 152,974.76 : x
  2. Step 2: Convert to fraction form
    405,445.28/608,470.85 = 152,974.76/x
  3. Step 3: Cross multiply
    405,445.28x = 608,470.85 × 152,974.76
  4. Step 4: Simplify right side
    405,445.28x = 93,080,679,585.83
  5. Step 5: Solve for x
    x = 93,080,679,585.83/405,445.28
  6. Step 6: Final answer
    x = 229,576.43

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1.5x scale

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.