Home / 1,771,322.40-2,657,242.80-929,937.60

Finding the Fourth Proportional to 1,771,322.40, 2,657,242.80 and 929,937.60

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Solution

The fourth proportional to 1,771,322.40, 2,657,242.80 and 929,937.60 is: 1,395,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,322.40 : 2,657,242.80 = 929,937.60 : x
  2. Step 2: Convert to fraction form
    1,771,322.40/2,657,242.80 = 929,937.60/x
  3. Step 3: Cross multiply
    1,771,322.40x = 2,657,242.80 × 929,937.60
  4. Step 4: Simplify right side
    1,771,322.40x = 2,471,069,992,049.28
  5. Step 5: Solve for x
    x = 2,471,069,992,049.28/1,771,322.40
  6. Step 6: Final answer
    x = 1,395,042.48

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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.