Home / 1,113,491.79-1,670,223.11-272,050.83

Finding the Fourth Proportional to 1,113,491.79, 1,670,223.11 and 272,050.83

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Solution

The fourth proportional to 1,113,491.79, 1,670,223.11 and 272,050.83 is: 408,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,491.79 : 1,670,223.11 = 272,050.83 : x
  2. Step 2: Convert to fraction form
    1,113,491.79/1,670,223.11 = 272,050.83/x
  3. Step 3: Cross multiply
    1,113,491.79x = 1,670,223.11 × 272,050.83
  4. Step 4: Simplify right side
    1,113,491.79x = 454,385,582,000.43
  5. Step 5: Solve for x
    x = 454,385,582,000.43/1,113,491.79
  6. Step 6: Final answer
    x = 408,072.68

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Double scale
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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.