Home / 1,357,700.86-1,873,419.09-784,630.45

Finding the Fourth Proportional to 1,357,700.86, 1,873,419.09 and 784,630.45

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Solution

The fourth proportional to 1,357,700.86, 1,873,419.09 and 784,630.45 is: 1,082,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,700.86 : 1,873,419.09 = 784,630.45 : x
  2. Step 2: Convert to fraction form
    1,357,700.86/1,873,419.09 = 784,630.45/x
  3. Step 3: Cross multiply
    1,357,700.86x = 1,873,419.09 × 784,630.45
  4. Step 4: Simplify right side
    1,357,700.86x = 1,469,941,654,258.20
  5. Step 5: Solve for x
    x = 1,469,941,654,258.20/1,357,700.86
  6. Step 6: Final answer
    x = 1,082,669.76

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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.