Home / 570,922.05-787,875.43-322,565.11

Finding the Fourth Proportional to 570,922.05, 787,875.43 and 322,565.11

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Solution

The fourth proportional to 570,922.05, 787,875.43 and 322,565.11 is: 445,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,922.05 : 787,875.43 = 322,565.11 : x
  2. Step 2: Convert to fraction form
    570,922.05/787,875.43 = 322,565.11/x
  3. Step 3: Cross multiply
    570,922.05x = 787,875.43 × 322,565.11
  4. Step 4: Simplify right side
    570,922.05x = 254,141,124,744.25
  5. Step 5: Solve for x
    x = 254,141,124,744.25/570,922.05
  6. Step 6: Final answer
    x = 445,141.55

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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.