Home / 766,868.85-1,058,357.79-461,044.89

Finding the Fourth Proportional to 766,868.85, 1,058,357.79 and 461,044.89

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Solution

The fourth proportional to 766,868.85, 1,058,357.79 and 461,044.89 is: 636,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,868.85 : 1,058,357.79 = 461,044.89 : x
  2. Step 2: Convert to fraction form
    766,868.85/1,058,357.79 = 461,044.89/x
  3. Step 3: Cross multiply
    766,868.85x = 1,058,357.79 × 461,044.89
  4. Step 4: Simplify right side
    766,868.85x = 487,950,450,871.19
  5. Step 5: Solve for x
    x = 487,950,450,871.19/766,868.85
  6. Step 6: Final answer
    x = 636,289.31

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1.5x scale

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.