Home / 888,819.66-1,226,570.32-501,716.55

Finding the Fourth Proportional to 888,819.66, 1,226,570.32 and 501,716.55

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Solution

The fourth proportional to 888,819.66, 1,226,570.32 and 501,716.55 is: 692,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,819.66 : 1,226,570.32 = 501,716.55 : x
  2. Step 2: Convert to fraction form
    888,819.66/1,226,570.32 = 501,716.55/x
  3. Step 3: Cross multiply
    888,819.66x = 1,226,570.32 × 501,716.55
  4. Step 4: Simplify right side
    888,819.66x = 615,390,629,282.80
  5. Step 5: Solve for x
    x = 615,390,629,282.80/888,819.66
  6. Step 6: Final answer
    x = 692,368.38

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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.