Home / 1,422,436.14-2,133,334.67-411,332.58

Finding the Fourth Proportional to 1,422,436.14, 2,133,334.67 and 411,332.58

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Solution

The fourth proportional to 1,422,436.14, 2,133,334.67 and 411,332.58 is: 616,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,436.14 : 2,133,334.67 = 411,332.58 : x
  2. Step 2: Convert to fraction form
    1,422,436.14/2,133,334.67 = 411,332.58/x
  3. Step 3: Cross multiply
    1,422,436.14x = 2,133,334.67 × 411,332.58
  4. Step 4: Simplify right side
    1,422,436.14x = 877,510,051,757.89
  5. Step 5: Solve for x
    x = 877,510,051,757.89/1,422,436.14
  6. Step 6: Final answer
    x = 616,906.47

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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.