Home / 984,149.43-1,358,126.30-554,429.45

Finding the Fourth Proportional to 984,149.43, 1,358,126.30 and 554,429.45

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Solution

The fourth proportional to 984,149.43, 1,358,126.30 and 554,429.45 is: 765,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,149.43 : 1,358,126.30 = 554,429.45 : x
  2. Step 2: Convert to fraction form
    984,149.43/1,358,126.30 = 554,429.45/x
  3. Step 3: Cross multiply
    984,149.43x = 1,358,126.30 × 554,429.45
  4. Step 4: Simplify right side
    984,149.43x = 752,985,207,976.76
  5. Step 5: Solve for x
    x = 752,985,207,976.76/984,149.43
  6. Step 6: Final answer
    x = 765,112.68

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Double scale
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1.5x scale

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.