Home / 1,215,438.05-1,824,301.29-616,828.81

Finding the Fourth Proportional to 1,215,438.05, 1,824,301.29 and 616,828.81

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Solution

The fourth proportional to 1,215,438.05, 1,824,301.29 and 616,828.81 is: 925,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,438.05 : 1,824,301.29 = 616,828.81 : x
  2. Step 2: Convert to fraction form
    1,215,438.05/1,824,301.29 = 616,828.81/x
  3. Step 3: Cross multiply
    1,215,438.05x = 1,824,301.29 × 616,828.81
  4. Step 4: Simplify right side
    1,215,438.05x = 1,125,281,584,670.66
  5. Step 5: Solve for x
    x = 1,125,281,584,670.66/1,215,438.05
  6. Step 6: Final answer
    x = 925,823.89

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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.