Home / 916,640.50-1,374,998.01-436,621.54

Finding the Fourth Proportional to 916,640.50, 1,374,998.01 and 436,621.54

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Solution

The fourth proportional to 916,640.50, 1,374,998.01 and 436,621.54 is: 654,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,640.50 : 1,374,998.01 = 436,621.54 : x
  2. Step 2: Convert to fraction form
    916,640.50/1,374,998.01 = 436,621.54/x
  3. Step 3: Cross multiply
    916,640.50x = 1,374,998.01 × 436,621.54
  4. Step 4: Simplify right side
    916,640.50x = 600,353,748,623.14
  5. Step 5: Solve for x
    x = 600,353,748,623.14/916,640.50
  6. Step 6: Final answer
    x = 654,950.06

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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.