Home / 784,877.60-1,177,316.40-627,413.60

Finding the Fourth Proportional to 784,877.60, 1,177,316.40 and 627,413.60

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Solution

The fourth proportional to 784,877.60, 1,177,316.40 and 627,413.60 is: 941,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,877.60 : 1,177,316.40 = 627,413.60 : x
  2. Step 2: Convert to fraction form
    784,877.60/1,177,316.40 = 627,413.60/x
  3. Step 3: Cross multiply
    784,877.60x = 1,177,316.40 × 627,413.60
  4. Step 4: Simplify right side
    784,877.60x = 738,664,320,863.04
  5. Step 5: Solve for x
    x = 738,664,320,863.04/784,877.60
  6. Step 6: Final answer
    x = 941,120.40

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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.