Home / 806,001.63-1,112,282.22-443,417.68

Finding the Fourth Proportional to 806,001.63, 1,112,282.22 and 443,417.68

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Solution

The fourth proportional to 806,001.63, 1,112,282.22 and 443,417.68 is: 611,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,001.63 : 1,112,282.22 = 443,417.68 : x
  2. Step 2: Convert to fraction form
    806,001.63/1,112,282.22 = 443,417.68/x
  3. Step 3: Cross multiply
    806,001.63x = 1,112,282.22 × 443,417.68
  4. Step 4: Simplify right side
    806,001.63x = 493,205,601,497.65
  5. Step 5: Solve for x
    x = 493,205,601,497.65/806,001.63
  6. Step 6: Final answer
    x = 611,916.39

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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.