Home / 1,117,545-1,542,212.10-608,251.02

Finding the Fourth Proportional to 1,117,545, 1,542,212.10 and 608,251.02

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Solution

The fourth proportional to 1,117,545, 1,542,212.10 and 608,251.02 is: 839,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,545 : 1,542,212.10 = 608,251.02 : x
  2. Step 2: Convert to fraction form
    1,117,545/1,542,212.10 = 608,251.02/x
  3. Step 3: Cross multiply
    1,117,545x = 1,542,212.10 × 608,251.02
  4. Step 4: Simplify right side
    1,117,545x = 938,052,082,881.34
  5. Step 5: Solve for x
    x = 938,052,082,881.34/1,117,545
  6. Step 6: Final answer
    x = 839,386.41

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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.