Home / 1,577,009.66-2,176,274.22-851,857.40

Finding the Fourth Proportional to 1,577,009.66, 2,176,274.22 and 851,857.40

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Solution

The fourth proportional to 1,577,009.66, 2,176,274.22 and 851,857.40 is: 1,175,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,009.66 : 2,176,274.22 = 851,857.40 : x
  2. Step 2: Convert to fraction form
    1,577,009.66/2,176,274.22 = 851,857.40/x
  3. Step 3: Cross multiply
    1,577,009.66x = 2,176,274.22 × 851,857.40
  4. Step 4: Simplify right side
    1,577,009.66x = 1,853,875,298,736.23
  5. Step 5: Solve for x
    x = 1,853,875,298,736.23/1,577,009.66
  6. Step 6: Final answer
    x = 1,175,563.69

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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.