Home / 1,012,588.70-1,519,630.47-480,111.71

Finding the Fourth Proportional to 1,012,588.70, 1,519,630.47 and 480,111.71

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Solution

The fourth proportional to 1,012,588.70, 1,519,630.47 and 480,111.71 is: 720,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,588.70 : 1,519,630.47 = 480,111.71 : x
  2. Step 2: Convert to fraction form
    1,012,588.70/1,519,630.47 = 480,111.71/x
  3. Step 3: Cross multiply
    1,012,588.70x = 1,519,630.47 × 480,111.71
  4. Step 4: Simplify right side
    1,012,588.70x = 729,592,375,921.65
  5. Step 5: Solve for x
    x = 729,592,375,921.65/1,012,588.70
  6. Step 6: Final answer
    x = 720,521.94

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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.