Home / 779,680.27-1,077,011.89-587,540.36

Finding the Fourth Proportional to 779,680.27, 1,077,011.89 and 587,540.36

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Solution

The fourth proportional to 779,680.27, 1,077,011.89 and 587,540.36 is: 811,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,680.27 : 1,077,011.89 = 587,540.36 : x
  2. Step 2: Convert to fraction form
    779,680.27/1,077,011.89 = 587,540.36/x
  3. Step 3: Cross multiply
    779,680.27x = 1,077,011.89 × 587,540.36
  4. Step 4: Simplify right side
    779,680.27x = 632,787,953,574.88
  5. Step 5: Solve for x
    x = 632,787,953,574.88/779,680.27
  6. Step 6: Final answer
    x = 811,599.29

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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.