Home / 779,679.39-1,077,010.66-587,539.47

Finding the Fourth Proportional to 779,679.39, 1,077,010.66 and 587,539.47

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Solution

The fourth proportional to 779,679.39, 1,077,010.66 and 587,539.47 is: 811,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,679.39 : 1,077,010.66 = 587,539.47 : x
  2. Step 2: Convert to fraction form
    779,679.39/1,077,010.66 = 587,539.47/x
  3. Step 3: Cross multiply
    779,679.39x = 1,077,010.66 × 587,539.47
  4. Step 4: Simplify right side
    779,679.39x = 632,786,277,133.97
  5. Step 5: Solve for x
    x = 632,786,277,133.97/779,679.39
  6. Step 6: Final answer
    x = 811,598.06

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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.