Home / 806,001.61-1,112,282.22-443,417.69

Finding the Fourth Proportional to 806,001.61, 1,112,282.22 and 443,417.69

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Solution

The fourth proportional to 806,001.61, 1,112,282.22 and 443,417.69 is: 611,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,001.61 : 1,112,282.22 = 443,417.69 : x
  2. Step 2: Convert to fraction form
    806,001.61/1,112,282.22 = 443,417.69/x
  3. Step 3: Cross multiply
    806,001.61x = 1,112,282.22 × 443,417.69
  4. Step 4: Simplify right side
    806,001.61x = 493,205,612,620.47
  5. Step 5: Solve for x
    x = 493,205,612,620.47/806,001.61
  6. Step 6: Final answer
    x = 611,916.41

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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.