Home / 881,296.22-1,216,196.49-478,888.22

Finding the Fourth Proportional to 881,296.22, 1,216,196.49 and 478,888.22

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Solution

The fourth proportional to 881,296.22, 1,216,196.49 and 478,888.22 is: 660,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,296.22 : 1,216,196.49 = 478,888.22 : x
  2. Step 2: Convert to fraction form
    881,296.22/1,216,196.49 = 478,888.22/x
  3. Step 3: Cross multiply
    881,296.22x = 1,216,196.49 × 478,888.22
  4. Step 4: Simplify right side
    881,296.22x = 582,422,172,266.35
  5. Step 5: Solve for x
    x = 582,422,172,266.35/881,296.22
  6. Step 6: Final answer
    x = 660,869.93

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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.