Home / 801,783.36-1,106,461.32-439,220.22

Finding the Fourth Proportional to 801,783.36, 1,106,461.32 and 439,220.22

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Solution

The fourth proportional to 801,783.36, 1,106,461.32 and 439,220.22 is: 606,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,783.36 : 1,106,461.32 = 439,220.22 : x
  2. Step 2: Convert to fraction form
    801,783.36/1,106,461.32 = 439,220.22/x
  3. Step 3: Cross multiply
    801,783.36x = 1,106,461.32 × 439,220.22
  4. Step 4: Simplify right side
    801,783.36x = 485,980,184,819.43
  5. Step 5: Solve for x
    x = 485,980,184,819.43/801,783.36
  6. Step 6: Final answer
    x = 606,124.06

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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.