Home / 876,187.46-1,209,137.85-473,778.50

Finding the Fourth Proportional to 876,187.46, 1,209,137.85 and 473,778.50

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Solution

The fourth proportional to 876,187.46, 1,209,137.85 and 473,778.50 is: 653,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,187.46 : 1,209,137.85 = 473,778.50 : x
  2. Step 2: Convert to fraction form
    876,187.46/1,209,137.85 = 473,778.50/x
  3. Step 3: Cross multiply
    876,187.46x = 1,209,137.85 × 473,778.50
  4. Step 4: Simplify right side
    876,187.46x = 572,863,516,866.23
  5. Step 5: Solve for x
    x = 572,863,516,866.23/876,187.46
  6. Step 6: Final answer
    x = 653,813.87

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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.