Home / 294,904.60-442,356.90-282,002.20

Finding the Fourth Proportional to 294,904.60, 442,356.90 and 282,002.20

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Solution

The fourth proportional to 294,904.60, 442,356.90 and 282,002.20 is: 423,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,904.60 : 442,356.90 = 282,002.20 : x
  2. Step 2: Convert to fraction form
    294,904.60/442,356.90 = 282,002.20/x
  3. Step 3: Cross multiply
    294,904.60x = 442,356.90 × 282,002.20
  4. Step 4: Simplify right side
    294,904.60x = 124,745,618,985.18
  5. Step 5: Solve for x
    x = 124,745,618,985.18/294,904.60
  6. Step 6: Final answer
    x = 423,003.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.