Home / 550,623.57-760,000.20-376,264.35

Finding the Fourth Proportional to 550,623.57, 760,000.20 and 376,264.35

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Solution

The fourth proportional to 550,623.57, 760,000.20 and 376,264.35 is: 519,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,623.57 : 760,000.20 = 376,264.35 : x
  2. Step 2: Convert to fraction form
    550,623.57/760,000.20 = 376,264.35/x
  3. Step 3: Cross multiply
    550,623.57x = 760,000.20 × 376,264.35
  4. Step 4: Simplify right side
    550,623.57x = 285,960,981,252.87
  5. Step 5: Solve for x
    x = 285,960,981,252.87/550,623.57
  6. Step 6: Final answer
    x = 519,340.25

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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.