Home / 779,087.16-1,170,685.66-419,523.84

Finding the Fourth Proportional to 779,087.16, 1,170,685.66 and 419,523.84

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Solution

The fourth proportional to 779,087.16, 1,170,685.66 and 419,523.84 is: 630,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,087.16 : 1,170,685.66 = 419,523.84 : x
  2. Step 2: Convert to fraction form
    779,087.16/1,170,685.66 = 419,523.84/x
  3. Step 3: Cross multiply
    779,087.16x = 1,170,685.66 × 419,523.84
  4. Step 4: Simplify right side
    779,087.16x = 491,130,543,516.13
  5. Step 5: Solve for x
    x = 491,130,543,516.13/779,087.16
  6. Step 6: Final answer
    x = 630,392.30

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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.