Home / 777,931.14-1,164,696.16-412,359.77

Finding the Fourth Proportional to 777,931.14, 1,164,696.16 and 412,359.77

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Solution

The fourth proportional to 777,931.14, 1,164,696.16 and 412,359.77 is: 617,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,931.14 : 1,164,696.16 = 412,359.77 : x
  2. Step 2: Convert to fraction form
    777,931.14/1,164,696.16 = 412,359.77/x
  3. Step 3: Cross multiply
    777,931.14x = 1,164,696.16 × 412,359.77
  4. Step 4: Simplify right side
    777,931.14x = 480,273,840,657.48
  5. Step 5: Solve for x
    x = 480,273,840,657.48/777,931.14
  6. Step 6: Final answer
    x = 617,373.20

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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.