Home / 1,102,113.63-1,520,916.08-618,679.71

Finding the Fourth Proportional to 1,102,113.63, 1,520,916.08 and 618,679.71

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Solution

The fourth proportional to 1,102,113.63, 1,520,916.08 and 618,679.71 is: 853,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,113.63 : 1,520,916.08 = 618,679.71 : x
  2. Step 2: Convert to fraction form
    1,102,113.63/1,520,916.08 = 618,679.71/x
  3. Step 3: Cross multiply
    1,102,113.63x = 1,520,916.08 × 618,679.71
  4. Step 4: Simplify right side
    1,102,113.63x = 940,959,916,215.34
  5. Step 5: Solve for x
    x = 940,959,916,215.34/1,102,113.63
  6. Step 6: Final answer
    x = 853,777.59

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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.