Home / 779,679.27-1,077,010.50-587,539.36

Finding the Fourth Proportional to 779,679.27, 1,077,010.50 and 587,539.36

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Solution

The fourth proportional to 779,679.27, 1,077,010.50 and 587,539.36 is: 811,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,679.27 : 1,077,010.50 = 587,539.36 : x
  2. Step 2: Convert to fraction form
    779,679.27/1,077,010.50 = 587,539.36/x
  3. Step 3: Cross multiply
    779,679.27x = 1,077,010.50 × 587,539.36
  4. Step 4: Simplify right side
    779,679.27x = 632,786,063,432.82
  5. Step 5: Solve for x
    x = 632,786,063,432.82/779,679.27
  6. Step 6: Final answer
    x = 811,597.91

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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.