Home / 725,805.17-1,001,501.25-415,659.53

Finding the Fourth Proportional to 725,805.17, 1,001,501.25 and 415,659.53

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Solution

The fourth proportional to 725,805.17, 1,001,501.25 and 415,659.53 is: 573,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,805.17 : 1,001,501.25 = 415,659.53 : x
  2. Step 2: Convert to fraction form
    725,805.17/1,001,501.25 = 415,659.53/x
  3. Step 3: Cross multiply
    725,805.17x = 1,001,501.25 × 415,659.53
  4. Step 4: Simplify right side
    725,805.17x = 416,283,538,869.41
  5. Step 5: Solve for x
    x = 416,283,538,869.41/725,805.17
  6. Step 6: Final answer
    x = 573,547.22

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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.