Home / 806,961.80-1,210,442.70-527,025.80

Finding the Fourth Proportional to 806,961.80, 1,210,442.70 and 527,025.80

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Solution

The fourth proportional to 806,961.80, 1,210,442.70 and 527,025.80 is: 790,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,961.80 : 1,210,442.70 = 527,025.80 : x
  2. Step 2: Convert to fraction form
    806,961.80/1,210,442.70 = 527,025.80/x
  3. Step 3: Cross multiply
    806,961.80x = 1,210,442.70 × 527,025.80
  4. Step 4: Simplify right side
    806,961.80x = 637,934,532,321.66
  5. Step 5: Solve for x
    x = 637,934,532,321.66/806,961.80
  6. Step 6: Final answer
    x = 790,538.70

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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.