Home / 386,970.56-533,066.04-329,424.36

Finding the Fourth Proportional to 386,970.56, 533,066.04 and 329,424.36

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Solution

The fourth proportional to 386,970.56, 533,066.04 and 329,424.36 is: 453,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,970.56 : 533,066.04 = 329,424.36 : x
  2. Step 2: Convert to fraction form
    386,970.56/533,066.04 = 329,424.36/x
  3. Step 3: Cross multiply
    386,970.56x = 533,066.04 × 329,424.36
  4. Step 4: Simplify right side
    386,970.56x = 175,604,939,064.73
  5. Step 5: Solve for x
    x = 175,604,939,064.73/386,970.56
  6. Step 6: Final answer
    x = 453,794.05

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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.