Home / 969,381.90-1,337,551.56-587,186.64

Finding the Fourth Proportional to 969,381.90, 1,337,551.56 and 587,186.64

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Solution

The fourth proportional to 969,381.90, 1,337,551.56 and 587,186.64 is: 810,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,381.90 : 1,337,551.56 = 587,186.64 : x
  2. Step 2: Convert to fraction form
    969,381.90/1,337,551.56 = 587,186.64/x
  3. Step 3: Cross multiply
    969,381.90x = 1,337,551.56 × 587,186.64
  4. Step 4: Simplify right side
    969,381.90x = 785,392,406,343.16
  5. Step 5: Solve for x
    x = 785,392,406,343.16/969,381.90
  6. Step 6: Final answer
    x = 810,199.17

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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.