Home / 1,117,608.23-1,542,430.67-627,658.27

Finding the Fourth Proportional to 1,117,608.23, 1,542,430.67 and 627,658.27

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Solution

The fourth proportional to 1,117,608.23, 1,542,430.67 and 627,658.27 is: 866,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,608.23 : 1,542,430.67 = 627,658.27 : x
  2. Step 2: Convert to fraction form
    1,117,608.23/1,542,430.67 = 627,658.27/x
  3. Step 3: Cross multiply
    1,117,608.23x = 1,542,430.67 × 627,658.27
  4. Step 4: Simplify right side
    1,117,608.23x = 968,119,358,932.77
  5. Step 5: Solve for x
    x = 968,119,358,932.77/1,117,608.23
  6. Step 6: Final answer
    x = 866,242.15

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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.