Home / 1,021,921.61-1,410,184.31-613,780.92

Finding the Fourth Proportional to 1,021,921.61, 1,410,184.31 and 613,780.92

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Solution

The fourth proportional to 1,021,921.61, 1,410,184.31 and 613,780.92 is: 846,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,921.61 : 1,410,184.31 = 613,780.92 : x
  2. Step 2: Convert to fraction form
    1,021,921.61/1,410,184.31 = 613,780.92/x
  3. Step 3: Cross multiply
    1,021,921.61x = 1,410,184.31 × 613,780.92
  4. Step 4: Simplify right side
    1,021,921.61x = 865,544,220,092.46
  5. Step 5: Solve for x
    x = 865,544,220,092.46/1,021,921.61
  6. Step 6: Final answer
    x = 846,977.12

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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.