Home / 1,101,998.57-1,520,764.02-618,569.51

Finding the Fourth Proportional to 1,101,998.57, 1,520,764.02 and 618,569.51

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Solution

The fourth proportional to 1,101,998.57, 1,520,764.02 and 618,569.51 is: 853,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,998.57 : 1,520,764.02 = 618,569.51 : x
  2. Step 2: Convert to fraction form
    1,101,998.57/1,520,764.02 = 618,569.51/x
  3. Step 3: Cross multiply
    1,101,998.57x = 1,520,764.02 × 618,569.51
  4. Step 4: Simplify right side
    1,101,998.57x = 940,698,247,073.21
  5. Step 5: Solve for x
    x = 940,698,247,073.21/1,101,998.57
  6. Step 6: Final answer
    x = 853,629.28

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1.5x scale

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.