Home / 984,078.80-1,475,189.40-534,136.40

Finding the Fourth Proportional to 984,078.80, 1,475,189.40 and 534,136.40

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Solution

The fourth proportional to 984,078.80, 1,475,189.40 and 534,136.40 is: 800,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,078.80 : 1,475,189.40 = 534,136.40 : x
  2. Step 2: Convert to fraction form
    984,078.80/1,475,189.40 = 534,136.40/x
  3. Step 3: Cross multiply
    984,078.80x = 1,475,189.40 × 534,136.40
  4. Step 4: Simplify right side
    984,078.80x = 787,952,355,434.16
  5. Step 5: Solve for x
    x = 787,952,355,434.16/984,078.80
  6. Step 6: Final answer
    x = 800,700.47

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1.5x scale

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.