Home / 725,734.49-1,000,036.60-561,392.59

Finding the Fourth Proportional to 725,734.49, 1,000,036.60 and 561,392.59

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Solution

The fourth proportional to 725,734.49, 1,000,036.60 and 561,392.59 is: 773,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,734.49 : 1,000,036.60 = 561,392.59 : x
  2. Step 2: Convert to fraction form
    725,734.49/1,000,036.60 = 561,392.59/x
  3. Step 3: Cross multiply
    725,734.49x = 1,000,036.60 × 561,392.59
  4. Step 4: Simplify right side
    725,734.49x = 561,413,133,065.22
  5. Step 5: Solve for x
    x = 561,413,133,065.22/725,734.49
  6. Step 6: Final answer
    x = 773,579.24

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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.