Home / 708,712.14-1,062,886.77-209,959.50

Finding the Fourth Proportional to 708,712.14, 1,062,886.77 and 209,959.50

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Solution

The fourth proportional to 708,712.14, 1,062,886.77 and 209,959.50 is: 314,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,712.14 : 1,062,886.77 = 209,959.50 : x
  2. Step 2: Convert to fraction form
    708,712.14/1,062,886.77 = 209,959.50/x
  3. Step 3: Cross multiply
    708,712.14x = 1,062,886.77 × 209,959.50
  4. Step 4: Simplify right side
    708,712.14x = 223,163,174,785.82
  5. Step 5: Solve for x
    x = 223,163,174,785.82/708,712.14
  6. Step 6: Final answer
    x = 314,885.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.