Home / 1,563,743.68-2,345,656.32-426,515.20

Finding the Fourth Proportional to 1,563,743.68, 2,345,656.32 and 426,515.20

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Solution

The fourth proportional to 1,563,743.68, 2,345,656.32 and 426,515.20 is: 639,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,743.68 : 2,345,656.32 = 426,515.20 : x
  2. Step 2: Convert to fraction form
    1,563,743.68/2,345,656.32 = 426,515.20/x
  3. Step 3: Cross multiply
    1,563,743.68x = 2,345,656.32 × 426,515.20
  4. Step 4: Simplify right side
    1,563,743.68x = 1,000,458,074,456.06
  5. Step 5: Solve for x
    x = 1,000,458,074,456.06/1,563,743.68
  6. Step 6: Final answer
    x = 639,783.93

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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.