Home / 626,441.09-939,379.40-373,838.21

Finding the Fourth Proportional to 626,441.09, 939,379.40 and 373,838.21

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Solution

The fourth proportional to 626,441.09, 939,379.40 and 373,838.21 is: 560,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,441.09 : 939,379.40 = 373,838.21 : x
  2. Step 2: Convert to fraction form
    626,441.09/939,379.40 = 373,838.21/x
  3. Step 3: Cross multiply
    626,441.09x = 939,379.40 × 373,838.21
  4. Step 4: Simplify right side
    626,441.09x = 351,175,911,537.68
  5. Step 5: Solve for x
    x = 351,175,911,537.68/626,441.09
  6. Step 6: Final answer
    x = 560,588.88

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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.