Home / 743,568.48-1,026,122.48-404,036.72

Finding the Fourth Proportional to 743,568.48, 1,026,122.48 and 404,036.72

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Solution

The fourth proportional to 743,568.48, 1,026,122.48 and 404,036.72 is: 557,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,568.48 : 1,026,122.48 = 404,036.72 : x
  2. Step 2: Convert to fraction form
    743,568.48/1,026,122.48 = 404,036.72/x
  3. Step 3: Cross multiply
    743,568.48x = 1,026,122.48 × 404,036.72
  4. Step 4: Simplify right side
    743,568.48x = 414,591,161,137.47
  5. Step 5: Solve for x
    x = 414,591,161,137.47/743,568.48
  6. Step 6: Final answer
    x = 557,569.57

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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.