Home / 1,607,485.11-2,220,170.56-1,058,654.22

Finding the Fourth Proportional to 1,607,485.11, 2,220,170.56 and 1,058,654.22

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Solution

The fourth proportional to 1,607,485.11, 2,220,170.56 and 1,058,654.22 is: 1,462,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,485.11 : 2,220,170.56 = 1,058,654.22 : x
  2. Step 2: Convert to fraction form
    1,607,485.11/2,220,170.56 = 1,058,654.22/x
  3. Step 3: Cross multiply
    1,607,485.11x = 2,220,170.56 × 1,058,654.22
  4. Step 4: Simplify right side
    1,607,485.11x = 2,350,392,923,869.26
  5. Step 5: Solve for x
    x = 2,350,392,923,869.26/1,607,485.11
  6. Step 6: Final answer
    x = 1,462,155.33

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Double scale
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Similar ratio
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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.