Home / 923,811.60-1,386,178.20-524,758.80

Finding the Fourth Proportional to 923,811.60, 1,386,178.20 and 524,758.80

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Solution

The fourth proportional to 923,811.60, 1,386,178.20 and 524,758.80 is: 787,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,811.60 : 1,386,178.20 = 524,758.80 : x
  2. Step 2: Convert to fraction form
    923,811.60/1,386,178.20 = 524,758.80/x
  3. Step 3: Cross multiply
    923,811.60x = 1,386,178.20 × 524,758.80
  4. Step 4: Simplify right side
    923,811.60x = 727,409,208,818.16
  5. Step 5: Solve for x
    x = 727,409,208,818.16/923,811.60
  6. Step 6: Final answer
    x = 787,399.95

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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.