Home / 609,815.69-914,868.88-210,459.94

Finding the Fourth Proportional to 609,815.69, 914,868.88 and 210,459.94

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Solution

The fourth proportional to 609,815.69, 914,868.88 and 210,459.94 is: 315,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,815.69 : 914,868.88 = 210,459.94 : x
  2. Step 2: Convert to fraction form
    609,815.69/914,868.88 = 210,459.94/x
  3. Step 3: Cross multiply
    609,815.69x = 914,868.88 × 210,459.94
  4. Step 4: Simplify right side
    609,815.69x = 192,543,246,779.35
  5. Step 5: Solve for x
    x = 192,543,246,779.35/609,815.69
  6. Step 6: Final answer
    x = 315,740.07

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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.