Home / 895,171.85-1,235,352.90-487,285.41

Finding the Fourth Proportional to 895,171.85, 1,235,352.90 and 487,285.41

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Solution

The fourth proportional to 895,171.85, 1,235,352.90 and 487,285.41 is: 672,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,171.85 : 1,235,352.90 = 487,285.41 : x
  2. Step 2: Convert to fraction form
    895,171.85/1,235,352.90 = 487,285.41/x
  3. Step 3: Cross multiply
    895,171.85x = 1,235,352.90 × 487,285.41
  4. Step 4: Simplify right side
    895,171.85x = 601,969,444,371.19
  5. Step 5: Solve for x
    x = 601,969,444,371.19/895,171.85
  6. Step 6: Final answer
    x = 672,462.44

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1.5x scale

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.