Home / 1,071,701.09-1,478,274.77-635,809.83

Finding the Fourth Proportional to 1,071,701.09, 1,478,274.77 and 635,809.83

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Solution

The fourth proportional to 1,071,701.09, 1,478,274.77 and 635,809.83 is: 877,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,701.09 : 1,478,274.77 = 635,809.83 : x
  2. Step 2: Convert to fraction form
    1,071,701.09/1,478,274.77 = 635,809.83/x
  3. Step 3: Cross multiply
    1,071,701.09x = 1,478,274.77 × 635,809.83
  4. Step 4: Simplify right side
    1,071,701.09x = 939,901,627,027.94
  5. Step 5: Solve for x
    x = 939,901,627,027.94/1,071,701.09
  6. Step 6: Final answer
    x = 877,018.45

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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.