Home / 1,145,454.92-1,580,731.47-636,157.28

Finding the Fourth Proportional to 1,145,454.92, 1,580,731.47 and 636,157.28

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Solution

The fourth proportional to 1,145,454.92, 1,580,731.47 and 636,157.28 is: 877,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,454.92 : 1,580,731.47 = 636,157.28 : x
  2. Step 2: Convert to fraction form
    1,145,454.92/1,580,731.47 = 636,157.28/x
  3. Step 3: Cross multiply
    1,145,454.92x = 1,580,731.47 × 636,157.28
  4. Step 4: Simplify right side
    1,145,454.92x = 1,005,593,832,365.60
  5. Step 5: Solve for x
    x = 1,005,593,832,365.60/1,145,454.92
  6. Step 6: Final answer
    x = 877,899.09

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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.