Home / 403,351.47-556,614.86-222,061.59

Finding the Fourth Proportional to 403,351.47, 556,614.86 and 222,061.59

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Solution

The fourth proportional to 403,351.47, 556,614.86 and 222,061.59 is: 306,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,351.47 : 556,614.86 = 222,061.59 : x
  2. Step 2: Convert to fraction form
    403,351.47/556,614.86 = 222,061.59/x
  3. Step 3: Cross multiply
    403,351.47x = 556,614.86 × 222,061.59
  4. Step 4: Simplify right side
    403,351.47x = 123,602,779,718.92
  5. Step 5: Solve for x
    x = 123,602,779,718.92/403,351.47
  6. Step 6: Final answer
    x = 306,439.39

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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.