Home / 1,342,137.50-2,013,206.24-489,273.11

Finding the Fourth Proportional to 1,342,137.50, 2,013,206.24 and 489,273.11

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Solution

The fourth proportional to 1,342,137.50, 2,013,206.24 and 489,273.11 is: 733,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,137.50 : 2,013,206.24 = 489,273.11 : x
  2. Step 2: Convert to fraction form
    1,342,137.50/2,013,206.24 = 489,273.11/x
  3. Step 3: Cross multiply
    1,342,137.50x = 2,013,206.24 × 489,273.11
  4. Step 4: Simplify right side
    1,342,137.50x = 985,007,668,050.18
  5. Step 5: Solve for x
    x = 985,007,668,050.18/1,342,137.50
  6. Step 6: Final answer
    x = 733,909.66

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Double scale
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Similar ratio
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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.