Home / 1,086,055.60-1,628,305.80-454,644.40

Finding the Fourth Proportional to 1,086,055.60, 1,628,305.80 and 454,644.40

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Solution

The fourth proportional to 1,086,055.60, 1,628,305.80 and 454,644.40 is: 681,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,055.60 : 1,628,305.80 = 454,644.40 : x
  2. Step 2: Convert to fraction form
    1,086,055.60/1,628,305.80 = 454,644.40/x
  3. Step 3: Cross multiply
    1,086,055.60x = 1,628,305.80 × 454,644.40
  4. Step 4: Simplify right side
    1,086,055.60x = 740,300,113,457.52
  5. Step 5: Solve for x
    x = 740,300,113,457.52/1,086,055.60
  6. Step 6: Final answer
    x = 681,641.08

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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.