Home / 738,866.70-1,108,300.05-265,599.90

Finding the Fourth Proportional to 738,866.70, 1,108,300.05 and 265,599.90

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Solution

The fourth proportional to 738,866.70, 1,108,300.05 and 265,599.90 is: 398,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,866.70 : 1,108,300.05 = 265,599.90 : x
  2. Step 2: Convert to fraction form
    738,866.70/1,108,300.05 = 265,599.90/x
  3. Step 3: Cross multiply
    738,866.70x = 1,108,300.05 × 265,599.90
  4. Step 4: Simplify right side
    738,866.70x = 294,364,382,450.00
  5. Step 5: Solve for x
    x = 294,364,382,450.00/738,866.70
  6. Step 6: Final answer
    x = 398,399.85

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Double scale
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Similar ratio
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1.5x scale

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.