Home / 1,123,333.80-1,685,000.70-324,641.40

Finding the Fourth Proportional to 1,123,333.80, 1,685,000.70 and 324,641.40

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Solution

The fourth proportional to 1,123,333.80, 1,685,000.70 and 324,641.40 is: 486,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,333.80 : 1,685,000.70 = 324,641.40 : x
  2. Step 2: Convert to fraction form
    1,123,333.80/1,685,000.70 = 324,641.40/x
  3. Step 3: Cross multiply
    1,123,333.80x = 1,685,000.70 × 324,641.40
  4. Step 4: Simplify right side
    1,123,333.80x = 547,020,986,248.98
  5. Step 5: Solve for x
    x = 547,020,986,248.98/1,123,333.80
  6. Step 6: Final answer
    x = 486,962.10

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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.