Home / 984,248.87-1,476,532.32-415,715.45

Finding the Fourth Proportional to 984,248.87, 1,476,532.32 and 415,715.45

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Solution

The fourth proportional to 984,248.87, 1,476,532.32 and 415,715.45 is: 623,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,248.87 : 1,476,532.32 = 415,715.45 : x
  2. Step 2: Convert to fraction form
    984,248.87/1,476,532.32 = 415,715.45/x
  3. Step 3: Cross multiply
    984,248.87x = 1,476,532.32 × 415,715.45
  4. Step 4: Simplify right side
    984,248.87x = 613,817,290,465.68
  5. Step 5: Solve for x
    x = 613,817,290,465.68/984,248.87
  6. Step 6: Final answer
    x = 623,640.33

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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.