Home / 374,623.80-561,935.70-262,430.70

Finding the Fourth Proportional to 374,623.80, 561,935.70 and 262,430.70

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Solution

The fourth proportional to 374,623.80, 561,935.70 and 262,430.70 is: 393,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,623.80 : 561,935.70 = 262,430.70 : x
  2. Step 2: Convert to fraction form
    374,623.80/561,935.70 = 262,430.70/x
  3. Step 3: Cross multiply
    374,623.80x = 561,935.70 × 262,430.70
  4. Step 4: Simplify right side
    374,623.80x = 147,469,179,105.99
  5. Step 5: Solve for x
    x = 147,469,179,105.99/374,623.80
  6. Step 6: Final answer
    x = 393,646.05

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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.