Home / 1,240,588.74-1,861,141.35-387,625.92

Finding the Fourth Proportional to 1,240,588.74, 1,861,141.35 and 387,625.92

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Solution

The fourth proportional to 1,240,588.74, 1,861,141.35 and 387,625.92 is: 581,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,588.74 : 1,861,141.35 = 387,625.92 : x
  2. Step 2: Convert to fraction form
    1,240,588.74/1,861,141.35 = 387,625.92/x
  3. Step 3: Cross multiply
    1,240,588.74x = 1,861,141.35 × 387,625.92
  4. Step 4: Simplify right side
    1,240,588.74x = 721,426,628,043.79
  5. Step 5: Solve for x
    x = 721,426,628,043.79/1,240,588.74
  6. Step 6: Final answer
    x = 581,519.57

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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.