Home / 897,224.38-1,238,584.28-553,121.80

Finding the Fourth Proportional to 897,224.38, 1,238,584.28 and 553,121.80

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Solution

The fourth proportional to 897,224.38, 1,238,584.28 and 553,121.80 is: 763,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,224.38 : 1,238,584.28 = 553,121.80 : x
  2. Step 2: Convert to fraction form
    897,224.38/1,238,584.28 = 553,121.80/x
  3. Step 3: Cross multiply
    897,224.38x = 1,238,584.28 × 553,121.80
  4. Step 4: Simplify right side
    897,224.38x = 685,087,960,543.23
  5. Step 5: Solve for x
    x = 685,087,960,543.23/897,224.38
  6. Step 6: Final answer
    x = 763,563.69

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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.