Home / 1,108,261.54-1,529,428.02-618,227.57

Finding the Fourth Proportional to 1,108,261.54, 1,529,428.02 and 618,227.57

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Solution

The fourth proportional to 1,108,261.54, 1,529,428.02 and 618,227.57 is: 853,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,261.54 : 1,529,428.02 = 618,227.57 : x
  2. Step 2: Convert to fraction form
    1,108,261.54/1,529,428.02 = 618,227.57/x
  3. Step 3: Cross multiply
    1,108,261.54x = 1,529,428.02 × 618,227.57
  4. Step 4: Simplify right side
    1,108,261.54x = 945,534,568,294.51
  5. Step 5: Solve for x
    x = 945,534,568,294.51/1,108,261.54
  6. Step 6: Final answer
    x = 853,169.16

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Double scale
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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.