Home / 895,073.56-1,235,231.98-487,190.36

Finding the Fourth Proportional to 895,073.56, 1,235,231.98 and 487,190.36

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Solution

The fourth proportional to 895,073.56, 1,235,231.98 and 487,190.36 is: 672,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,073.56 : 1,235,231.98 = 487,190.36 : x
  2. Step 2: Convert to fraction form
    895,073.56/1,235,231.98 = 487,190.36/x
  3. Step 3: Cross multiply
    895,073.56x = 1,235,231.98 × 487,190.36
  4. Step 4: Simplify right side
    895,073.56x = 601,793,114,889.82
  5. Step 5: Solve for x
    x = 601,793,114,889.82/895,073.56
  6. Step 6: Final answer
    x = 672,339.28

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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.