Home / 1,207,683.50-1,666,599.42-663,853.18

Finding the Fourth Proportional to 1,207,683.50, 1,666,599.42 and 663,853.18

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Solution

The fourth proportional to 1,207,683.50, 1,666,599.42 and 663,853.18 is: 916,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,683.50 : 1,666,599.42 = 663,853.18 : x
  2. Step 2: Convert to fraction form
    1,207,683.50/1,666,599.42 = 663,853.18/x
  3. Step 3: Cross multiply
    1,207,683.50x = 1,666,599.42 × 663,853.18
  4. Step 4: Simplify right side
    1,207,683.50x = 1,106,377,324,753.16
  5. Step 5: Solve for x
    x = 1,106,377,324,753.16/1,207,683.50
  6. Step 6: Final answer
    x = 916,115.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.