Home / 984,060.80-1,475,169.60-770,710.40

Finding the Fourth Proportional to 984,060.80, 1,475,169.60 and 770,710.40

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Solution

The fourth proportional to 984,060.80, 1,475,169.60 and 770,710.40 is: 1,155,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,060.80 : 1,475,169.60 = 770,710.40 : x
  2. Step 2: Convert to fraction form
    984,060.80/1,475,169.60 = 770,710.40/x
  3. Step 3: Cross multiply
    984,060.80x = 1,475,169.60 × 770,710.40
  4. Step 4: Simplify right side
    984,060.80x = 1,136,928,552,483.84
  5. Step 5: Solve for x
    x = 1,136,928,552,483.84/984,060.80
  6. Step 6: Final answer
    x = 1,155,343.81

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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.