Home / 1,264,978.49-1,897,350.14-354,243.38

Finding the Fourth Proportional to 1,264,978.49, 1,897,350.14 and 354,243.38

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Solution

The fourth proportional to 1,264,978.49, 1,897,350.14 and 354,243.38 is: 531,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,978.49 : 1,897,350.14 = 354,243.38 : x
  2. Step 2: Convert to fraction form
    1,264,978.49/1,897,350.14 = 354,243.38/x
  3. Step 3: Cross multiply
    1,264,978.49x = 1,897,350.14 × 354,243.38
  4. Step 4: Simplify right side
    1,264,978.49x = 672,123,718,035.93
  5. Step 5: Solve for x
    x = 672,123,718,035.93/1,264,978.49
  6. Step 6: Final answer
    x = 531,332.13

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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.