Home / 612,558.36-918,838.62-238,581.36

Finding the Fourth Proportional to 612,558.36, 918,838.62 and 238,581.36

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Solution

The fourth proportional to 612,558.36, 918,838.62 and 238,581.36 is: 357,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,558.36 : 918,838.62 = 238,581.36 : x
  2. Step 2: Convert to fraction form
    612,558.36/918,838.62 = 238,581.36/x
  3. Step 3: Cross multiply
    612,558.36x = 918,838.62 × 238,581.36
  4. Step 4: Simplify right side
    612,558.36x = 219,217,767,580.12
  5. Step 5: Solve for x
    x = 219,217,767,580.12/612,558.36
  6. Step 6: Final answer
    x = 357,872.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.