Home / 2,712,255.32-4,068,444.33-690,491.67

Finding the Fourth Proportional to 2,712,255.32, 4,068,444.33 and 690,491.67

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Solution

The fourth proportional to 2,712,255.32, 4,068,444.33 and 690,491.67 is: 1,035,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,255.32 : 4,068,444.33 = 690,491.67 : x
  2. Step 2: Convert to fraction form
    2,712,255.32/4,068,444.33 = 690,491.67/x
  3. Step 3: Cross multiply
    2,712,255.32x = 4,068,444.33 × 690,491.67
  4. Step 4: Simplify right side
    2,712,255.32x = 2,809,226,919,723.73
  5. Step 5: Solve for x
    x = 2,809,226,919,723.73/2,712,255.32
  6. Step 6: Final answer
    x = 1,035,753.13

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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.