Home / 868,959.54-1,199,165.64-486,986.32

Finding the Fourth Proportional to 868,959.54, 1,199,165.64 and 486,986.32

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Solution

The fourth proportional to 868,959.54, 1,199,165.64 and 486,986.32 is: 672,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,959.54 : 1,199,165.64 = 486,986.32 : x
  2. Step 2: Convert to fraction form
    868,959.54/1,199,165.64 = 486,986.32/x
  3. Step 3: Cross multiply
    868,959.54x = 1,199,165.64 × 486,986.32
  4. Step 4: Simplify right side
    868,959.54x = 583,977,259,096.13
  5. Step 5: Solve for x
    x = 583,977,259,096.13/868,959.54
  6. Step 6: Final answer
    x = 672,041.94

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Double scale
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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.