Home / 1,071,700.59-1,478,274.07-635,809.33

Finding the Fourth Proportional to 1,071,700.59, 1,478,274.07 and 635,809.33

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Solution

The fourth proportional to 1,071,700.59, 1,478,274.07 and 635,809.33 is: 877,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,700.59 : 1,478,274.07 = 635,809.33 : x
  2. Step 2: Convert to fraction form
    1,071,700.59/1,478,274.07 = 635,809.33/x
  3. Step 3: Cross multiply
    1,071,700.59x = 1,478,274.07 × 635,809.33
  4. Step 4: Simplify right side
    1,071,700.59x = 939,900,446,003.07
  5. Step 5: Solve for x
    x = 939,900,446,003.07/1,071,700.59
  6. Step 6: Final answer
    x = 877,017.76

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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.