Home / 826,870.68-1,140,886.62-469,174.68

Finding the Fourth Proportional to 826,870.68, 1,140,886.62 and 469,174.68

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Solution

The fourth proportional to 826,870.68, 1,140,886.62 and 469,174.68 is: 647,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,870.68 : 1,140,886.62 = 469,174.68 : x
  2. Step 2: Convert to fraction form
    826,870.68/1,140,886.62 = 469,174.68/x
  3. Step 3: Cross multiply
    826,870.68x = 1,140,886.62 × 469,174.68
  4. Step 4: Simplify right side
    826,870.68x = 535,275,114,854.78
  5. Step 5: Solve for x
    x = 535,275,114,854.78/826,870.68
  6. Step 6: Final answer
    x = 647,350.46

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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.