Home / 756,656.78-1,044,179.49-417,125.02

Finding the Fourth Proportional to 756,656.78, 1,044,179.49 and 417,125.02

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Solution

The fourth proportional to 756,656.78, 1,044,179.49 and 417,125.02 is: 575,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,656.78 : 1,044,179.49 = 417,125.02 : x
  2. Step 2: Convert to fraction form
    756,656.78/1,044,179.49 = 417,125.02/x
  3. Step 3: Cross multiply
    756,656.78x = 1,044,179.49 × 417,125.02
  4. Step 4: Simplify right side
    756,656.78x = 435,553,390,649.84
  5. Step 5: Solve for x
    x = 435,553,390,649.84/756,656.78
  6. Step 6: Final answer
    x = 575,628.74

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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.