Home / 1,037,471.60-1,556,207.40-636,813.20

Finding the Fourth Proportional to 1,037,471.60, 1,556,207.40 and 636,813.20

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Solution

The fourth proportional to 1,037,471.60, 1,556,207.40 and 636,813.20 is: 955,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,471.60 : 1,556,207.40 = 636,813.20 : x
  2. Step 2: Convert to fraction form
    1,037,471.60/1,556,207.40 = 636,813.20/x
  3. Step 3: Cross multiply
    1,037,471.60x = 1,556,207.40 × 636,813.20
  4. Step 4: Simplify right side
    1,037,471.60x = 991,013,414,257.68
  5. Step 5: Solve for x
    x = 991,013,414,257.68/1,037,471.60
  6. Step 6: Final answer
    x = 955,219.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.