Home / 800,316.45-1,104,584.45-514,194.21

Finding the Fourth Proportional to 800,316.45, 1,104,584.45 and 514,194.21

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Solution

The fourth proportional to 800,316.45, 1,104,584.45 and 514,194.21 is: 709,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,316.45 : 1,104,584.45 = 514,194.21 : x
  2. Step 2: Convert to fraction form
    800,316.45/1,104,584.45 = 514,194.21/x
  3. Step 3: Cross multiply
    800,316.45x = 1,104,584.45 × 514,194.21
  4. Step 4: Simplify right side
    800,316.45x = 567,970,926,075.06
  5. Step 5: Solve for x
    x = 567,970,926,075.06/800,316.45
  6. Step 6: Final answer
    x = 709,682.93

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Double scale
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Similar ratio
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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.