Home / 1,285,071.68-1,773,399.18-704,317.88

Finding the Fourth Proportional to 1,285,071.68, 1,773,399.18 and 704,317.88

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Solution

The fourth proportional to 1,285,071.68, 1,773,399.18 and 704,317.88 is: 971,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,071.68 : 1,773,399.18 = 704,317.88 : x
  2. Step 2: Convert to fraction form
    1,285,071.68/1,773,399.18 = 704,317.88/x
  3. Step 3: Cross multiply
    1,285,071.68x = 1,773,399.18 × 704,317.88
  4. Step 4: Simplify right side
    1,285,071.68x = 1,249,036,750,851.34
  5. Step 5: Solve for x
    x = 1,249,036,750,851.34/1,285,071.68
  6. Step 6: Final answer
    x = 971,958.82

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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.