Home / 717,121.41-1,075,431.41-211,548.16

Finding the Fourth Proportional to 717,121.41, 1,075,431.41 and 211,548.16

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Solution

The fourth proportional to 717,121.41, 1,075,431.41 and 211,548.16 is: 317,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,121.41 : 1,075,431.41 = 211,548.16 : x
  2. Step 2: Convert to fraction form
    717,121.41/1,075,431.41 = 211,548.16/x
  3. Step 3: Cross multiply
    717,121.41x = 1,075,431.41 × 211,548.16
  4. Step 4: Simplify right side
    717,121.41x = 227,505,535,991.71
  5. Step 5: Solve for x
    x = 227,505,535,991.71/717,121.41
  6. Step 6: Final answer
    x = 317,248.28

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.