Home / 1,438,071.19-1,985,541.53-894,451.33

Finding the Fourth Proportional to 1,438,071.19, 1,985,541.53 and 894,451.33

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Solution

The fourth proportional to 1,438,071.19, 1,985,541.53 and 894,451.33 is: 1,234,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,071.19 : 1,985,541.53 = 894,451.33 : x
  2. Step 2: Convert to fraction form
    1,438,071.19/1,985,541.53 = 894,451.33/x
  3. Step 3: Cross multiply
    1,438,071.19x = 1,985,541.53 × 894,451.33
  4. Step 4: Simplify right side
    1,438,071.19x = 1,775,970,273,419.67
  5. Step 5: Solve for x
    x = 1,775,970,273,419.67/1,438,071.19
  6. Step 6: Final answer
    x = 1,234,966.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.