Home / 741,410.50-1,020,388.44-611,308.30

Finding the Fourth Proportional to 741,410.50, 1,020,388.44 and 611,308.30

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Solution

The fourth proportional to 741,410.50, 1,020,388.44 and 611,308.30 is: 841,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,410.50 : 1,020,388.44 = 611,308.30 : x
  2. Step 2: Convert to fraction form
    741,410.50/1,020,388.44 = 611,308.30/x
  3. Step 3: Cross multiply
    741,410.50x = 1,020,388.44 × 611,308.30
  4. Step 4: Simplify right side
    741,410.50x = 623,771,922,596.05
  5. Step 5: Solve for x
    x = 623,771,922,596.05/741,410.50
  6. Step 6: Final answer
    x = 841,331.38

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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.