Home / 866,854.87-1,196,261.15-479,686.58

Finding the Fourth Proportional to 866,854.87, 1,196,261.15 and 479,686.58

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Solution

The fourth proportional to 866,854.87, 1,196,261.15 and 479,686.58 is: 661,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,854.87 : 1,196,261.15 = 479,686.58 : x
  2. Step 2: Convert to fraction form
    866,854.87/1,196,261.15 = 479,686.58/x
  3. Step 3: Cross multiply
    866,854.87x = 1,196,261.15 × 479,686.58
  4. Step 4: Simplify right side
    866,854.87x = 573,830,425,447.10
  5. Step 5: Solve for x
    x = 573,830,425,447.10/866,854.87
  6. Step 6: Final answer
    x = 661,968.28

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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.