Home / 1,264,831.13-1,897,379.60-411,969.19

Finding the Fourth Proportional to 1,264,831.13, 1,897,379.60 and 411,969.19

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Solution

The fourth proportional to 1,264,831.13, 1,897,379.60 and 411,969.19 is: 617,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,831.13 : 1,897,379.60 = 411,969.19 : x
  2. Step 2: Convert to fraction form
    1,264,831.13/1,897,379.60 = 411,969.19/x
  3. Step 3: Cross multiply
    1,264,831.13x = 1,897,379.60 × 411,969.19
  4. Step 4: Simplify right side
    1,264,831.13x = 781,661,936,006.14
  5. Step 5: Solve for x
    x = 781,661,936,006.14/1,264,831.13
  6. Step 6: Final answer
    x = 617,997.07

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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.