Home / 1,590,552.78-2,194,897.14-865,403.40

Finding the Fourth Proportional to 1,590,552.78, 2,194,897.14 and 865,403.40

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Solution

The fourth proportional to 1,590,552.78, 2,194,897.14 and 865,403.40 is: 1,194,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,552.78 : 2,194,897.14 = 865,403.40 : x
  2. Step 2: Convert to fraction form
    1,590,552.78/2,194,897.14 = 865,403.40/x
  3. Step 3: Cross multiply
    1,590,552.78x = 2,194,897.14 × 865,403.40
  4. Step 4: Simplify right side
    1,590,552.78x = 1,899,471,447,606.28
  5. Step 5: Solve for x
    x = 1,899,471,447,606.28/1,590,552.78
  6. Step 6: Final answer
    x = 1,194,220.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.