Home / 850,748.78-1,174,019.49-463,569.36

Finding the Fourth Proportional to 850,748.78, 1,174,019.49 and 463,569.36

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Solution

The fourth proportional to 850,748.78, 1,174,019.49 and 463,569.36 is: 639,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,748.78 : 1,174,019.49 = 463,569.36 : x
  2. Step 2: Convert to fraction form
    850,748.78/1,174,019.49 = 463,569.36/x
  3. Step 3: Cross multiply
    850,748.78x = 1,174,019.49 × 463,569.36
  4. Step 4: Simplify right side
    850,748.78x = 544,239,463,606.83
  5. Step 5: Solve for x
    x = 544,239,463,606.83/850,748.78
  6. Step 6: Final answer
    x = 639,718.19

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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.