Home / 1,901,053.76-2,851,580.64-638,881.36

Finding the Fourth Proportional to 1,901,053.76, 2,851,580.64 and 638,881.36

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Solution

The fourth proportional to 1,901,053.76, 2,851,580.64 and 638,881.36 is: 958,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,053.76 : 2,851,580.64 = 638,881.36 : x
  2. Step 2: Convert to fraction form
    1,901,053.76/2,851,580.64 = 638,881.36/x
  3. Step 3: Cross multiply
    1,901,053.76x = 2,851,580.64 × 638,881.36
  4. Step 4: Simplify right side
    1,901,053.76x = 1,821,821,717,432.87
  5. Step 5: Solve for x
    x = 1,821,821,717,432.87/1,901,053.76
  6. Step 6: Final answer
    x = 958,322.04

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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.