Home / 869,936.76-1,200,510.24-482,810.66

Finding the Fourth Proportional to 869,936.76, 1,200,510.24 and 482,810.66

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Solution

The fourth proportional to 869,936.76, 1,200,510.24 and 482,810.66 is: 666,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,936.76 : 1,200,510.24 = 482,810.66 : x
  2. Step 2: Convert to fraction form
    869,936.76/1,200,510.24 = 482,810.66/x
  3. Step 3: Cross multiply
    869,936.76x = 1,200,510.24 × 482,810.66
  4. Step 4: Simplify right side
    869,936.76x = 579,619,141,311.16
  5. Step 5: Solve for x
    x = 579,619,141,311.16/869,936.76
  6. Step 6: Final answer
    x = 666,277.33

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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.