Home / 743,572.92-1,026,137.12-404,041.16

Finding the Fourth Proportional to 743,572.92, 1,026,137.12 and 404,041.16

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Solution

The fourth proportional to 743,572.92, 1,026,137.12 and 404,041.16 is: 557,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,572.92 : 1,026,137.12 = 404,041.16 : x
  2. Step 2: Convert to fraction form
    743,572.92/1,026,137.12 = 404,041.16/x
  3. Step 3: Cross multiply
    743,572.92x = 1,026,137.12 × 404,041.16
  4. Step 4: Simplify right side
    743,572.92x = 414,601,632,283.86
  5. Step 5: Solve for x
    x = 414,601,632,283.86/743,572.92
  6. Step 6: Final answer
    x = 557,580.33

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Half scale
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Double scale
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Similar ratio
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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.