Home / 1,112,778.81-1,535,601.78-616,084.85

Finding the Fourth Proportional to 1,112,778.81, 1,535,601.78 and 616,084.85

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Solution

The fourth proportional to 1,112,778.81, 1,535,601.78 and 616,084.85 is: 850,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,778.81 : 1,535,601.78 = 616,084.85 : x
  2. Step 2: Convert to fraction form
    1,112,778.81/1,535,601.78 = 616,084.85/x
  3. Step 3: Cross multiply
    1,112,778.81x = 1,535,601.78 × 616,084.85
  4. Step 4: Simplify right side
    1,112,778.81x = 946,060,995,885.53
  5. Step 5: Solve for x
    x = 946,060,995,885.53/1,112,778.81
  6. Step 6: Final answer
    x = 850,178.83

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1.5x scale

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.