Home / 801,943.86-1,106,682.50-439,381.45

Finding the Fourth Proportional to 801,943.86, 1,106,682.50 and 439,381.45

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Solution

The fourth proportional to 801,943.86, 1,106,682.50 and 439,381.45 is: 606,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,943.86 : 1,106,682.50 = 439,381.45 : x
  2. Step 2: Convert to fraction form
    801,943.86/1,106,682.50 = 439,381.45/x
  3. Step 3: Cross multiply
    801,943.86x = 1,106,682.50 × 439,381.45
  4. Step 4: Simplify right side
    801,943.86x = 486,255,759,871.37
  5. Step 5: Solve for x
    x = 486,255,759,871.37/801,943.86
  6. Step 6: Final answer
    x = 606,346.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.