Home / 717,218.78-1,075,109.36-333,237.39

Finding the Fourth Proportional to 717,218.78, 1,075,109.36 and 333,237.39

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Solution

The fourth proportional to 717,218.78, 1,075,109.36 and 333,237.39 is: 499,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,218.78 : 1,075,109.36 = 333,237.39 : x
  2. Step 2: Convert to fraction form
    717,218.78/1,075,109.36 = 333,237.39/x
  3. Step 3: Cross multiply
    717,218.78x = 1,075,109.36 × 333,237.39
  4. Step 4: Simplify right side
    717,218.78x = 358,266,635,424.78
  5. Step 5: Solve for x
    x = 358,266,635,424.78/717,218.78
  6. Step 6: Final answer
    x = 499,522.11

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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.