Home / 984,166.80-1,475,328.60-770,816.40

Finding the Fourth Proportional to 984,166.80, 1,475,328.60 and 770,816.40

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Solution

The fourth proportional to 984,166.80, 1,475,328.60 and 770,816.40 is: 1,155,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,166.80 : 1,475,328.60 = 770,816.40 : x
  2. Step 2: Convert to fraction form
    984,166.80/1,475,328.60 = 770,816.40/x
  3. Step 3: Cross multiply
    984,166.80x = 1,475,328.60 × 770,816.40
  4. Step 4: Simplify right side
    984,166.80x = 1,137,207,480,269.04
  5. Step 5: Solve for x
    x = 1,137,207,480,269.04/984,166.80
  6. Step 6: Final answer
    x = 1,155,502.79

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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.