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Finding the Fourth Proportional to 799,435.68, 1,103,115 and 513,343.32

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Solution

The fourth proportional to 799,435.68, 1,103,115 and 513,343.32 is: 708,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,435.68 : 1,103,115 = 513,343.32 : x
  2. Step 2: Convert to fraction form
    799,435.68/1,103,115 = 513,343.32/x
  3. Step 3: Cross multiply
    799,435.68x = 1,103,115 × 513,343.32
  4. Step 4: Simplify right side
    799,435.68x = 566,276,716,441.80
  5. Step 5: Solve for x
    x = 566,276,716,441.80/799,435.68
  6. Step 6: Final answer
    x = 708,345.56

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Double scale
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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.