Home / 1,184,158.80-1,778,081.40-686,494.80

Finding the Fourth Proportional to 1,184,158.80, 1,778,081.40 and 686,494.80

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Solution

The fourth proportional to 1,184,158.80, 1,778,081.40 and 686,494.80 is: 1,030,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,158.80 : 1,778,081.40 = 686,494.80 : x
  2. Step 2: Convert to fraction form
    1,184,158.80/1,778,081.40 = 686,494.80/x
  3. Step 3: Cross multiply
    1,184,158.80x = 1,778,081.40 × 686,494.80
  4. Step 4: Simplify right side
    1,184,158.80x = 1,220,643,635,076.72
  5. Step 5: Solve for x
    x = 1,220,643,635,076.72/1,184,158.80
  6. Step 6: Final answer
    x = 1,030,810.76

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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.