Home / 403,596.04-556,966.38-222,308.78

Finding the Fourth Proportional to 403,596.04, 556,966.38 and 222,308.78

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Solution

The fourth proportional to 403,596.04, 556,966.38 and 222,308.78 is: 306,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,596.04 : 556,966.38 = 222,308.78 : x
  2. Step 2: Convert to fraction form
    403,596.04/556,966.38 = 222,308.78/x
  3. Step 3: Cross multiply
    403,596.04x = 556,966.38 × 222,308.78
  4. Step 4: Simplify right side
    403,596.04x = 123,818,516,438.82
  5. Step 5: Solve for x
    x = 123,818,516,438.82/403,596.04
  6. Step 6: Final answer
    x = 306,788.23

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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.