Home / 822,058.80-1,231,921.80-607,149.60

Finding the Fourth Proportional to 822,058.80, 1,231,921.80 and 607,149.60

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Solution

The fourth proportional to 822,058.80, 1,231,921.80 and 607,149.60 is: 909,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,058.80 : 1,231,921.80 = 607,149.60 : x
  2. Step 2: Convert to fraction form
    822,058.80/1,231,921.80 = 607,149.60/x
  3. Step 3: Cross multiply
    822,058.80x = 1,231,921.80 × 607,149.60
  4. Step 4: Simplify right side
    822,058.80x = 747,960,828,101.28
  5. Step 5: Solve for x
    x = 747,960,828,101.28/822,058.80
  6. Step 6: Final answer
    x = 909,862.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.