Home / 1,240,992.23-1,861,266.74-330,179.93

Finding the Fourth Proportional to 1,240,992.23, 1,861,266.74 and 330,179.93

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Solution

The fourth proportional to 1,240,992.23, 1,861,266.74 and 330,179.93 is: 495,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,992.23 : 1,861,266.74 = 330,179.93 : x
  2. Step 2: Convert to fraction form
    1,240,992.23/1,861,266.74 = 330,179.93/x
  3. Step 3: Cross multiply
    1,240,992.23x = 1,861,266.74 × 330,179.93
  4. Step 4: Simplify right side
    1,240,992.23x = 614,552,917,947.05
  5. Step 5: Solve for x
    x = 614,552,917,947.05/1,240,992.23
  6. Step 6: Final answer
    x = 495,210.93

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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.