Home / 403,448.79-556,737.30-222,126.33

Finding the Fourth Proportional to 403,448.79, 556,737.30 and 222,126.33

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Solution

The fourth proportional to 403,448.79, 556,737.30 and 222,126.33 is: 306,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,448.79 : 556,737.30 = 222,126.33 : x
  2. Step 2: Convert to fraction form
    403,448.79/556,737.30 = 222,126.33/x
  3. Step 3: Cross multiply
    403,448.79x = 556,737.30 × 222,126.33
  4. Step 4: Simplify right side
    403,448.79x = 123,666,013,223.11
  5. Step 5: Solve for x
    x = 123,666,013,223.11/403,448.79
  6. Step 6: Final answer
    x = 306,522.21

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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.