Home / 1,866,695.46-2,800,027.54-518,854.11

Finding the Fourth Proportional to 1,866,695.46, 2,800,027.54 and 518,854.11

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Solution

The fourth proportional to 1,866,695.46, 2,800,027.54 and 518,854.11 is: 778,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,695.46 : 2,800,027.54 = 518,854.11 : x
  2. Step 2: Convert to fraction form
    1,866,695.46/2,800,027.54 = 518,854.11/x
  3. Step 3: Cross multiply
    1,866,695.46x = 2,800,027.54 × 518,854.11
  4. Step 4: Simplify right side
    1,866,695.46x = 1,452,805,797,242.19
  5. Step 5: Solve for x
    x = 1,452,805,797,242.19/1,866,695.46
  6. Step 6: Final answer
    x = 778,276.82

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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.