Home / 895,063.71-1,235,214.09-487,191.87

Finding the Fourth Proportional to 895,063.71, 1,235,214.09 and 487,191.87

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Solution

The fourth proportional to 895,063.71, 1,235,214.09 and 487,191.87 is: 672,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,063.71 : 1,235,214.09 = 487,191.87 : x
  2. Step 2: Convert to fraction form
    895,063.71/1,235,214.09 = 487,191.87/x
  3. Step 3: Cross multiply
    895,063.71x = 1,235,214.09 × 487,191.87
  4. Step 4: Simplify right side
    895,063.71x = 601,786,262,357.45
  5. Step 5: Solve for x
    x = 601,786,262,357.45/895,063.71
  6. Step 6: Final answer
    x = 672,339.03

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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.