Home / 1,205,211.16-1,663,294.70-661,452.06

Finding the Fourth Proportional to 1,205,211.16, 1,663,294.70 and 661,452.06

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Solution

The fourth proportional to 1,205,211.16, 1,663,294.70 and 661,452.06 is: 912,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,211.16 : 1,663,294.70 = 661,452.06 : x
  2. Step 2: Convert to fraction form
    1,205,211.16/1,663,294.70 = 661,452.06/x
  3. Step 3: Cross multiply
    1,205,211.16x = 1,663,294.70 × 661,452.06
  4. Step 4: Simplify right side
    1,205,211.16x = 1,100,189,707,355.71
  5. Step 5: Solve for x
    x = 1,100,189,707,355.71/1,205,211.16
  6. Step 6: Final answer
    x = 912,860.54

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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.