Home / 1,007,853.41-1,390,845.93-548,969.78

Finding the Fourth Proportional to 1,007,853.41, 1,390,845.93 and 548,969.78

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Solution

The fourth proportional to 1,007,853.41, 1,390,845.93 and 548,969.78 is: 757,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,853.41 : 1,390,845.93 = 548,969.78 : x
  2. Step 2: Convert to fraction form
    1,007,853.41/1,390,845.93 = 548,969.78/x
  3. Step 3: Cross multiply
    1,007,853.41x = 1,390,845.93 × 548,969.78
  4. Step 4: Simplify right side
    1,007,853.41x = 763,532,377,251.77
  5. Step 5: Solve for x
    x = 763,532,377,251.77/1,007,853.41
  6. Step 6: Final answer
    x = 757,582.77

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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.