Home / 683,401.17-943,089.13-377,497.28

Finding the Fourth Proportional to 683,401.17, 943,089.13 and 377,497.28

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Solution

The fourth proportional to 683,401.17, 943,089.13 and 377,497.28 is: 520,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,401.17 : 943,089.13 = 377,497.28 : x
  2. Step 2: Convert to fraction form
    683,401.17/943,089.13 = 377,497.28/x
  3. Step 3: Cross multiply
    683,401.17x = 943,089.13 × 377,497.28
  4. Step 4: Simplify right side
    683,401.17x = 356,013,580,665.58
  5. Step 5: Solve for x
    x = 356,013,580,665.58/683,401.17
  6. Step 6: Final answer
    x = 520,943.77

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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.