Home / 805,184.15-1,111,167.92-442,623.29

Finding the Fourth Proportional to 805,184.15, 1,111,167.92 and 442,623.29

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Solution

The fourth proportional to 805,184.15, 1,111,167.92 and 442,623.29 is: 610,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,184.15 : 1,111,167.92 = 442,623.29 : x
  2. Step 2: Convert to fraction form
    805,184.15/1,111,167.92 = 442,623.29/x
  3. Step 3: Cross multiply
    805,184.15x = 1,111,167.92 × 442,623.29
  4. Step 4: Simplify right side
    805,184.15x = 491,828,796,043.58
  5. Step 5: Solve for x
    x = 491,828,796,043.58/805,184.15
  6. Step 6: Final answer
    x = 610,827.72

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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.