Home / 693,890.61-1,040,070.74-453,904.89

Finding the Fourth Proportional to 693,890.61, 1,040,070.74 and 453,904.89

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Solution

The fourth proportional to 693,890.61, 1,040,070.74 and 453,904.89 is: 680,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,890.61 : 1,040,070.74 = 453,904.89 : x
  2. Step 2: Convert to fraction form
    693,890.61/1,040,070.74 = 453,904.89/x
  3. Step 3: Cross multiply
    693,890.61x = 1,040,070.74 × 453,904.89
  4. Step 4: Simplify right side
    693,890.61x = 472,093,192,562.39
  5. Step 5: Solve for x
    x = 472,093,192,562.39/693,890.61
  6. Step 6: Final answer
    x = 680,356.80

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1.5x scale

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.