Home / 775,606.23-1,163,409.68-243,168.78

Finding the Fourth Proportional to 775,606.23, 1,163,409.68 and 243,168.78

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Solution

The fourth proportional to 775,606.23, 1,163,409.68 and 243,168.78 is: 364,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,606.23 : 1,163,409.68 = 243,168.78 : x
  2. Step 2: Convert to fraction form
    775,606.23/1,163,409.68 = 243,168.78/x
  3. Step 3: Cross multiply
    775,606.23x = 1,163,409.68 × 243,168.78
  4. Step 4: Simplify right side
    775,606.23x = 282,904,913,133.71
  5. Step 5: Solve for x
    x = 282,904,913,133.71/775,606.23
  6. Step 6: Final answer
    x = 364,753.28

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Double scale
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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.