Home / 866,583.60-1,300,643.40-511,153.20

Finding the Fourth Proportional to 866,583.60, 1,300,643.40 and 511,153.20

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Solution

The fourth proportional to 866,583.60, 1,300,643.40 and 511,153.20 is: 767,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,583.60 : 1,300,643.40 = 511,153.20 : x
  2. Step 2: Convert to fraction form
    866,583.60/1,300,643.40 = 511,153.20/x
  3. Step 3: Cross multiply
    866,583.60x = 1,300,643.40 × 511,153.20
  4. Step 4: Simplify right side
    866,583.60x = 664,828,035,968.88
  5. Step 5: Solve for x
    x = 664,828,035,968.88/866,583.60
  6. Step 6: Final answer
    x = 767,182.80

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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.