Home / 697,523.75-962,516.29-391,530.00

Finding the Fourth Proportional to 697,523.75, 962,516.29 and 391,530.00

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Solution

The fourth proportional to 697,523.75, 962,516.29 and 391,530.00 is: 540,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,523.75 : 962,516.29 = 391,530.00 : x
  2. Step 2: Convert to fraction form
    697,523.75/962,516.29 = 391,530.00/x
  3. Step 3: Cross multiply
    697,523.75x = 962,516.29 × 391,530.00
  4. Step 4: Simplify right side
    697,523.75x = 376,854,007,489.61
  5. Step 5: Solve for x
    x = 376,854,007,489.61/697,523.75
  6. Step 6: Final answer
    x = 540,274.08

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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.