Home / 670,711.90-1,006,223.40-351,037.54

Finding the Fourth Proportional to 670,711.90, 1,006,223.40 and 351,037.54

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Solution

The fourth proportional to 670,711.90, 1,006,223.40 and 351,037.54 is: 526,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,711.90 : 1,006,223.40 = 351,037.54 : x
  2. Step 2: Convert to fraction form
    670,711.90/1,006,223.40 = 351,037.54/x
  3. Step 3: Cross multiply
    670,711.90x = 1,006,223.40 × 351,037.54
  4. Step 4: Simplify right side
    670,711.90x = 353,222,187,026.44
  5. Step 5: Solve for x
    x = 353,222,187,026.44/670,711.90
  6. Step 6: Final answer
    x = 526,637.72

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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.