Home / 1,773,782.60-2,660,414.70-511,478.60

Finding the Fourth Proportional to 1,773,782.60, 2,660,414.70 and 511,478.60

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Solution

The fourth proportional to 1,773,782.60, 2,660,414.70 and 511,478.60 is: 767,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,782.60 : 2,660,414.70 = 511,478.60 : x
  2. Step 2: Convert to fraction form
    1,773,782.60/2,660,414.70 = 511,478.60/x
  3. Step 3: Cross multiply
    1,773,782.60x = 2,660,414.70 × 511,478.60
  4. Step 4: Simplify right side
    1,773,782.60x = 1,360,745,186,175.42
  5. Step 5: Solve for x
    x = 1,360,745,186,175.42/1,773,782.60
  6. Step 6: Final answer
    x = 767,143.16

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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.