Home / 882,681.60-1,324,022.40-528,787.20

Finding the Fourth Proportional to 882,681.60, 1,324,022.40 and 528,787.20

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Solution

The fourth proportional to 882,681.60, 1,324,022.40 and 528,787.20 is: 793,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,681.60 : 1,324,022.40 = 528,787.20 : x
  2. Step 2: Convert to fraction form
    882,681.60/1,324,022.40 = 528,787.20/x
  3. Step 3: Cross multiply
    882,681.60x = 1,324,022.40 × 528,787.20
  4. Step 4: Simplify right side
    882,681.60x = 700,126,097,633.28
  5. Step 5: Solve for x
    x = 700,126,097,633.28/882,681.60
  6. Step 6: Final answer
    x = 793,180.80

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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.