Home / 867,963.60-1,301,945.40-552,646.80

Finding the Fourth Proportional to 867,963.60, 1,301,945.40 and 552,646.80

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Solution

The fourth proportional to 867,963.60, 1,301,945.40 and 552,646.80 is: 828,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,963.60 : 1,301,945.40 = 552,646.80 : x
  2. Step 2: Convert to fraction form
    867,963.60/1,301,945.40 = 552,646.80/x
  3. Step 3: Cross multiply
    867,963.60x = 1,301,945.40 × 552,646.80
  4. Step 4: Simplify right side
    867,963.60x = 719,515,959,084.72
  5. Step 5: Solve for x
    x = 719,515,959,084.72/867,963.60
  6. Step 6: Final answer
    x = 828,970.20

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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.