Home / 743,706.92-1,026,323.52-404,175.20

Finding the Fourth Proportional to 743,706.92, 1,026,323.52 and 404,175.20

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Solution

The fourth proportional to 743,706.92, 1,026,323.52 and 404,175.20 is: 557,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,706.92 : 1,026,323.52 = 404,175.20 : x
  2. Step 2: Convert to fraction form
    743,706.92/1,026,323.52 = 404,175.20/x
  3. Step 3: Cross multiply
    743,706.92x = 1,026,323.52 × 404,175.20
  4. Step 4: Simplify right side
    743,706.92x = 414,814,513,960.70
  5. Step 5: Solve for x
    x = 414,814,513,960.70/743,706.92
  6. Step 6: Final answer
    x = 557,766.11

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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.