Home / 716,115.14-988,250.93-410,218.26

Finding the Fourth Proportional to 716,115.14, 988,250.93 and 410,218.26

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Solution

The fourth proportional to 716,115.14, 988,250.93 and 410,218.26 is: 566,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,115.14 : 988,250.93 = 410,218.26 : x
  2. Step 2: Convert to fraction form
    716,115.14/988,250.93 = 410,218.26/x
  3. Step 3: Cross multiply
    716,115.14x = 988,250.93 × 410,218.26
  4. Step 4: Simplify right side
    716,115.14x = 405,398,574,896.89
  5. Step 5: Solve for x
    x = 405,398,574,896.89/716,115.14
  6. Step 6: Final answer
    x = 566,108.10

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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.