Home / 1,112,046.70-1,534,607.76-628,594.87

Finding the Fourth Proportional to 1,112,046.70, 1,534,607.76 and 628,594.87

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Solution

The fourth proportional to 1,112,046.70, 1,534,607.76 and 628,594.87 is: 867,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,046.70 : 1,534,607.76 = 628,594.87 : x
  2. Step 2: Convert to fraction form
    1,112,046.70/1,534,607.76 = 628,594.87/x
  3. Step 3: Cross multiply
    1,112,046.70x = 1,534,607.76 × 628,594.87
  4. Step 4: Simplify right side
    1,112,046.70x = 964,646,565,398.19
  5. Step 5: Solve for x
    x = 964,646,565,398.19/1,112,046.70
  6. Step 6: Final answer
    x = 867,451.49

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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.