Home / 404,330.73-557,956.51-243,154.50

Finding the Fourth Proportional to 404,330.73, 557,956.51 and 243,154.50

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Solution

The fourth proportional to 404,330.73, 557,956.51 and 243,154.50 is: 335,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,330.73 : 557,956.51 = 243,154.50 : x
  2. Step 2: Convert to fraction form
    404,330.73/557,956.51 = 243,154.50/x
  3. Step 3: Cross multiply
    404,330.73x = 557,956.51 × 243,154.50
  4. Step 4: Simplify right side
    404,330.73x = 135,669,636,210.80
  5. Step 5: Solve for x
    x = 135,669,636,210.80/404,330.73
  6. Step 6: Final answer
    x = 335,541.24

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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.