Home / 756,554.50-1,044,013.76-412,382.86

Finding the Fourth Proportional to 756,554.50, 1,044,013.76 and 412,382.86

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Solution

The fourth proportional to 756,554.50, 1,044,013.76 and 412,382.86 is: 569,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,554.50 : 1,044,013.76 = 412,382.86 : x
  2. Step 2: Convert to fraction form
    756,554.50/1,044,013.76 = 412,382.86/x
  3. Step 3: Cross multiply
    756,554.50x = 1,044,013.76 × 412,382.86
  4. Step 4: Simplify right side
    756,554.50x = 430,533,380,228.15
  5. Step 5: Solve for x
    x = 430,533,380,228.15/756,554.50
  6. Step 6: Final answer
    x = 569,071.20

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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.