Home / 1,257,699.79-1,886,550.27-404,771.32

Finding the Fourth Proportional to 1,257,699.79, 1,886,550.27 and 404,771.32

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Solution

The fourth proportional to 1,257,699.79, 1,886,550.27 and 404,771.32 is: 607,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,699.79 : 1,886,550.27 = 404,771.32 : x
  2. Step 2: Convert to fraction form
    1,257,699.79/1,886,550.27 = 404,771.32/x
  3. Step 3: Cross multiply
    1,257,699.79x = 1,886,550.27 × 404,771.32
  4. Step 4: Simplify right side
    1,257,699.79x = 763,621,443,034.26
  5. Step 5: Solve for x
    x = 763,621,443,034.26/1,257,699.79
  6. Step 6: Final answer
    x = 607,157.17

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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.