Home / 514,320.51-771,264.36-194,418.57

Finding the Fourth Proportional to 514,320.51, 771,264.36 and 194,418.57

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Solution

The fourth proportional to 514,320.51, 771,264.36 and 194,418.57 is: 291,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,320.51 : 771,264.36 = 194,418.57 : x
  2. Step 2: Convert to fraction form
    514,320.51/771,264.36 = 194,418.57/x
  3. Step 3: Cross multiply
    514,320.51x = 771,264.36 × 194,418.57
  4. Step 4: Simplify right side
    514,320.51x = 149,948,113,963.17
  5. Step 5: Solve for x
    x = 149,948,113,963.17/514,320.51
  6. Step 6: Final answer
    x = 291,546.05

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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.