Home / 725,567.79-1,001,240.42-403,266.77

Finding the Fourth Proportional to 725,567.79, 1,001,240.42 and 403,266.77

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Solution

The fourth proportional to 725,567.79, 1,001,240.42 and 403,266.77 is: 556,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,567.79 : 1,001,240.42 = 403,266.77 : x
  2. Step 2: Convert to fraction form
    725,567.79/1,001,240.42 = 403,266.77/x
  3. Step 3: Cross multiply
    725,567.79x = 1,001,240.42 × 403,266.77
  4. Step 4: Simplify right side
    725,567.79x = 403,766,983,144.31
  5. Step 5: Solve for x
    x = 403,766,983,144.31/725,567.79
  6. Step 6: Final answer
    x = 556,484.16

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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.