Home / 403,397.48-556,688.58-222,110.12

Finding the Fourth Proportional to 403,397.48, 556,688.58 and 222,110.12

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Solution

The fourth proportional to 403,397.48, 556,688.58 and 222,110.12 is: 306,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,397.48 : 556,688.58 = 222,110.12 : x
  2. Step 2: Convert to fraction form
    403,397.48/556,688.58 = 222,110.12/x
  3. Step 3: Cross multiply
    403,397.48x = 556,688.58 × 222,110.12
  4. Step 4: Simplify right side
    403,397.48x = 123,646,167,306.43
  5. Step 5: Solve for x
    x = 123,646,167,306.43/403,397.48
  6. Step 6: Final answer
    x = 306,512.00

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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.