Home / 785,130.12-1,083,393.50-440,896.32

Finding the Fourth Proportional to 785,130.12, 1,083,393.50 and 440,896.32

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Solution

The fourth proportional to 785,130.12, 1,083,393.50 and 440,896.32 is: 608,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,130.12 : 1,083,393.50 = 440,896.32 : x
  2. Step 2: Convert to fraction form
    785,130.12/1,083,393.50 = 440,896.32/x
  3. Step 3: Cross multiply
    785,130.12x = 1,083,393.50 × 440,896.32
  4. Step 4: Simplify right side
    785,130.12x = 477,664,205,057.44
  5. Step 5: Solve for x
    x = 477,664,205,057.44/785,130.12
  6. Step 6: Final answer
    x = 608,388.59

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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.