Home / 756,785.35-1,044,371.93-412,618.47

Finding the Fourth Proportional to 756,785.35, 1,044,371.93 and 412,618.47

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Solution

The fourth proportional to 756,785.35, 1,044,371.93 and 412,618.47 is: 569,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,785.35 : 1,044,371.93 = 412,618.47 : x
  2. Step 2: Convert to fraction form
    756,785.35/1,044,371.93 = 412,618.47/x
  3. Step 3: Cross multiply
    756,785.35x = 1,044,371.93 × 412,618.47
  4. Step 4: Simplify right side
    756,785.35x = 430,927,148,899.09
  5. Step 5: Solve for x
    x = 430,927,148,899.09/756,785.35
  6. Step 6: Final answer
    x = 569,417.93

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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.