Home / 806,983.47-1,113,640.83-462,832.92

Finding the Fourth Proportional to 806,983.47, 1,113,640.83 and 462,832.92

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Solution

The fourth proportional to 806,983.47, 1,113,640.83 and 462,832.92 is: 638,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,983.47 : 1,113,640.83 = 462,832.92 : x
  2. Step 2: Convert to fraction form
    806,983.47/1,113,640.83 = 462,832.92/x
  3. Step 3: Cross multiply
    806,983.47x = 1,113,640.83 × 462,832.92
  4. Step 4: Simplify right side
    806,983.47x = 515,429,637,180.12
  5. Step 5: Solve for x
    x = 515,429,637,180.12/806,983.47
  6. Step 6: Final answer
    x = 638,711.52

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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.