Home / 984,627.18-1,358,502.08-640,968.89

Finding the Fourth Proportional to 984,627.18, 1,358,502.08 and 640,968.89

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Solution

The fourth proportional to 984,627.18, 1,358,502.08 and 640,968.89 is: 884,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,627.18 : 1,358,502.08 = 640,968.89 : x
  2. Step 2: Convert to fraction form
    984,627.18/1,358,502.08 = 640,968.89/x
  3. Step 3: Cross multiply
    984,627.18x = 1,358,502.08 × 640,968.89
  4. Step 4: Simplify right side
    984,627.18x = 870,757,560,282.94
  5. Step 5: Solve for x
    x = 870,757,560,282.94/984,627.18
  6. Step 6: Final answer
    x = 884,352.55

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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.