Home / 1,007,823.12-1,390,827.76-548,951.48

Finding the Fourth Proportional to 1,007,823.12, 1,390,827.76 and 548,951.48

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Solution

The fourth proportional to 1,007,823.12, 1,390,827.76 and 548,951.48 is: 757,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,823.12 : 1,390,827.76 = 548,951.48 : x
  2. Step 2: Convert to fraction form
    1,007,823.12/1,390,827.76 = 548,951.48/x
  3. Step 3: Cross multiply
    1,007,823.12x = 1,390,827.76 × 548,951.48
  4. Step 4: Simplify right side
    1,007,823.12x = 763,496,957,277.09
  5. Step 5: Solve for x
    x = 763,496,957,277.09/1,007,823.12
  6. Step 6: Final answer
    x = 757,570.39

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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.