Home / 626,552.22-939,811.32-434,238.78

Finding the Fourth Proportional to 626,552.22, 939,811.32 and 434,238.78

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Solution

The fourth proportional to 626,552.22, 939,811.32 and 434,238.78 is: 651,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,552.22 : 939,811.32 = 434,238.78 : x
  2. Step 2: Convert to fraction form
    626,552.22/939,811.32 = 434,238.78/x
  3. Step 3: Cross multiply
    626,552.22x = 939,811.32 × 434,238.78
  4. Step 4: Simplify right side
    626,552.22x = 408,102,521,026.99
  5. Step 5: Solve for x
    x = 408,102,521,026.99/626,552.22
  6. Step 6: Final answer
    x = 651,346.38

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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.