Home / 434,566.60-651,882.30-154,047.40

Finding the Fourth Proportional to 434,566.60, 651,882.30 and 154,047.40

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Solution

The fourth proportional to 434,566.60, 651,882.30 and 154,047.40 is: 231,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,566.60 : 651,882.30 = 154,047.40 : x
  2. Step 2: Convert to fraction form
    434,566.60/651,882.30 = 154,047.40/x
  3. Step 3: Cross multiply
    434,566.60x = 651,882.30 × 154,047.40
  4. Step 4: Simplify right side
    434,566.60x = 100,420,773,421.02
  5. Step 5: Solve for x
    x = 100,420,773,421.02/434,566.60
  6. Step 6: Final answer
    x = 231,082.59

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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.