Home / 961,381.27-1,326,671.37-525,783.73

Finding the Fourth Proportional to 961,381.27, 1,326,671.37 and 525,783.73

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Solution

The fourth proportional to 961,381.27, 1,326,671.37 and 525,783.73 is: 725,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,381.27 : 1,326,671.37 = 525,783.73 : x
  2. Step 2: Convert to fraction form
    961,381.27/1,326,671.37 = 525,783.73/x
  3. Step 3: Cross multiply
    961,381.27x = 1,326,671.37 × 525,783.73
  4. Step 4: Simplify right side
    961,381.27x = 697,542,221,402.81
  5. Step 5: Solve for x
    x = 697,542,221,402.81/961,381.27
  6. Step 6: Final answer
    x = 725,562.52

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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.