Home / 1,042,768.76-1,439,015.82-565,840.76

Finding the Fourth Proportional to 1,042,768.76, 1,439,015.82 and 565,840.76

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Solution

The fourth proportional to 1,042,768.76, 1,439,015.82 and 565,840.76 is: 780,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,768.76 : 1,439,015.82 = 565,840.76 : x
  2. Step 2: Convert to fraction form
    1,042,768.76/1,439,015.82 = 565,840.76/x
  3. Step 3: Cross multiply
    1,042,768.76x = 1,439,015.82 × 565,840.76
  4. Step 4: Simplify right side
    1,042,768.76x = 814,253,805,240.82
  5. Step 5: Solve for x
    x = 814,253,805,240.82/1,042,768.76
  6. Step 6: Final answer
    x = 780,857.50

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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.