Home / 794,128.78-1,095,894.12-431,545.78

Finding the Fourth Proportional to 794,128.78, 1,095,894.12 and 431,545.78

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Solution

The fourth proportional to 794,128.78, 1,095,894.12 and 431,545.78 is: 595,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,128.78 : 1,095,894.12 = 431,545.78 : x
  2. Step 2: Convert to fraction form
    794,128.78/1,095,894.12 = 431,545.78/x
  3. Step 3: Cross multiply
    794,128.78x = 1,095,894.12 × 431,545.78
  4. Step 4: Simplify right side
    794,128.78x = 472,928,482,812.81
  5. Step 5: Solve for x
    x = 472,928,482,812.81/794,128.78
  6. Step 6: Final answer
    x = 595,531.22

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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.