Home / 611,935.79-917,586.91-274,686.04

Finding the Fourth Proportional to 611,935.79, 917,586.91 and 274,686.04

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Solution

The fourth proportional to 611,935.79, 917,586.91 and 274,686.04 is: 411,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,935.79 : 917,586.91 = 274,686.04 : x
  2. Step 2: Convert to fraction form
    611,935.79/917,586.91 = 274,686.04/x
  3. Step 3: Cross multiply
    611,935.79x = 917,586.91 × 274,686.04
  4. Step 4: Simplify right side
    611,935.79x = 252,048,316,026.70
  5. Step 5: Solve for x
    x = 252,048,316,026.70/611,935.79
  6. Step 6: Final answer
    x = 411,886.87

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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.