Home / 691,588.37-954,396.13-385,684.11

Finding the Fourth Proportional to 691,588.37, 954,396.13 and 385,684.11

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Solution

The fourth proportional to 691,588.37, 954,396.13 and 385,684.11 is: 532,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,588.37 : 954,396.13 = 385,684.11 : x
  2. Step 2: Convert to fraction form
    691,588.37/954,396.13 = 385,684.11/x
  3. Step 3: Cross multiply
    691,588.37x = 954,396.13 × 385,684.11
  4. Step 4: Simplify right side
    691,588.37x = 368,095,421,986.49
  5. Step 5: Solve for x
    x = 368,095,421,986.49/691,588.37
  6. Step 6: Final answer
    x = 532,246.40

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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.