Home / 1,365,966.67-2,048,592.81-406,163.78

Finding the Fourth Proportional to 1,365,966.67, 2,048,592.81 and 406,163.78

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Solution

The fourth proportional to 1,365,966.67, 2,048,592.81 and 406,163.78 is: 609,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,966.67 : 2,048,592.81 = 406,163.78 : x
  2. Step 2: Convert to fraction form
    1,365,966.67/2,048,592.81 = 406,163.78/x
  3. Step 3: Cross multiply
    1,365,966.67x = 2,048,592.81 × 406,163.78
  4. Step 4: Simplify right side
    1,365,966.67x = 832,064,189,147.46
  5. Step 5: Solve for x
    x = 832,064,189,147.46/1,365,966.67
  6. Step 6: Final answer
    x = 609,139.45

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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.