Home / 805,207.02-1,111,210.56-442,658.58

Finding the Fourth Proportional to 805,207.02, 1,111,210.56 and 442,658.58

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Solution

The fourth proportional to 805,207.02, 1,111,210.56 and 442,658.58 is: 610,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,207.02 : 1,111,210.56 = 442,658.58 : x
  2. Step 2: Convert to fraction form
    805,207.02/1,111,210.56 = 442,658.58/x
  3. Step 3: Cross multiply
    805,207.02x = 1,111,210.56 × 442,658.58
  4. Step 4: Simplify right side
    805,207.02x = 491,886,888,570.61
  5. Step 5: Solve for x
    x = 491,886,888,570.61/805,207.02
  6. Step 6: Final answer
    x = 610,882.51

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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.