Home / 1,128,671.86-1,557,490.48-619,407.04

Finding the Fourth Proportional to 1,128,671.86, 1,557,490.48 and 619,407.04

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Solution

The fourth proportional to 1,128,671.86, 1,557,490.48 and 619,407.04 is: 854,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,671.86 : 1,557,490.48 = 619,407.04 : x
  2. Step 2: Convert to fraction form
    1,128,671.86/1,557,490.48 = 619,407.04/x
  3. Step 3: Cross multiply
    1,128,671.86x = 1,557,490.48 × 619,407.04
  4. Step 4: Simplify right side
    1,128,671.86x = 964,720,557,160.49
  5. Step 5: Solve for x
    x = 964,720,557,160.49/1,128,671.86
  6. Step 6: Final answer
    x = 854,739.62

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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.