Home / 1,243,333.50-1,865,000.25-822,510.96

Finding the Fourth Proportional to 1,243,333.50, 1,865,000.25 and 822,510.96

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Solution

The fourth proportional to 1,243,333.50, 1,865,000.25 and 822,510.96 is: 1,233,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,333.50 : 1,865,000.25 = 822,510.96 : x
  2. Step 2: Convert to fraction form
    1,243,333.50/1,865,000.25 = 822,510.96/x
  3. Step 3: Cross multiply
    1,243,333.50x = 1,865,000.25 × 822,510.96
  4. Step 4: Simplify right side
    1,243,333.50x = 1,533,983,132,590.18
  5. Step 5: Solve for x
    x = 1,533,983,132,590.18/1,243,333.50
  6. Step 6: Final answer
    x = 1,233,766.43

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Double scale
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Similar ratio
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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.