Home / 403,591.04-556,959.48-222,303.74

Finding the Fourth Proportional to 403,591.04, 556,959.48 and 222,303.74

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Solution

The fourth proportional to 403,591.04, 556,959.48 and 222,303.74 is: 306,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,591.04 : 556,959.48 = 222,303.74 : x
  2. Step 2: Convert to fraction form
    403,591.04/556,959.48 = 222,303.74/x
  3. Step 3: Cross multiply
    403,591.04x = 556,959.48 × 222,303.74
  4. Step 4: Simplify right side
    403,591.04x = 123,814,175,432.46
  5. Step 5: Solve for x
    x = 123,814,175,432.46/403,591.04
  6. Step 6: Final answer
    x = 306,781.28

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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.