Home / 683,628.36-943,326.69-377,686.50

Finding the Fourth Proportional to 683,628.36, 943,326.69 and 377,686.50

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Solution

The fourth proportional to 683,628.36, 943,326.69 and 377,686.50 is: 521,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,628.36 : 943,326.69 = 377,686.50 : x
  2. Step 2: Convert to fraction form
    683,628.36/943,326.69 = 377,686.50/x
  3. Step 3: Cross multiply
    683,628.36x = 943,326.69 × 377,686.50
  4. Step 4: Simplify right side
    683,628.36x = 356,281,755,902.69
  5. Step 5: Solve for x
    x = 356,281,755,902.69/683,628.36
  6. Step 6: Final answer
    x = 521,162.93

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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.