Home / 827,835.48-1,247,285.01-747,966.28

Finding the Fourth Proportional to 827,835.48, 1,247,285.01 and 747,966.28

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Solution

The fourth proportional to 827,835.48, 1,247,285.01 and 747,966.28 is: 1,126,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,835.48 : 1,247,285.01 = 747,966.28 : x
  2. Step 2: Convert to fraction form
    827,835.48/1,247,285.01 = 747,966.28/x
  3. Step 3: Cross multiply
    827,835.48x = 1,247,285.01 × 747,966.28
  4. Step 4: Simplify right side
    827,835.48x = 932,927,129,029.46
  5. Step 5: Solve for x
    x = 932,927,129,029.46/827,835.48
  6. Step 6: Final answer
    x = 1,126,947.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.