Home / 876,061.60-1,314,610.80-577,405.60

Finding the Fourth Proportional to 876,061.60, 1,314,610.80 and 577,405.60

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Solution

The fourth proportional to 876,061.60, 1,314,610.80 and 577,405.60 is: 866,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,061.60 : 1,314,610.80 = 577,405.60 : x
  2. Step 2: Convert to fraction form
    876,061.60/1,314,610.80 = 577,405.60/x
  3. Step 3: Cross multiply
    876,061.60x = 1,314,610.80 × 577,405.60
  4. Step 4: Simplify right side
    876,061.60x = 759,063,637,740.48
  5. Step 5: Solve for x
    x = 759,063,637,740.48/876,061.60
  6. Step 6: Final answer
    x = 866,450.07

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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.