Home / 1,128,550.60-1,557,432.42-619,285.16

Finding the Fourth Proportional to 1,128,550.60, 1,557,432.42 and 619,285.16

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Solution

The fourth proportional to 1,128,550.60, 1,557,432.42 and 619,285.16 is: 854,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,550.60 : 1,557,432.42 = 619,285.16 : x
  2. Step 2: Convert to fraction form
    1,128,550.60/1,557,432.42 = 619,285.16/x
  3. Step 3: Cross multiply
    1,128,550.60x = 1,557,432.42 × 619,285.16
  4. Step 4: Simplify right side
    1,128,550.60x = 964,494,785,408.89
  5. Step 5: Solve for x
    x = 964,494,785,408.89/1,128,550.60
  6. Step 6: Final answer
    x = 854,631.41

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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.