Home / 1,216,593.82-1,678,226.07-707,239.90

Finding the Fourth Proportional to 1,216,593.82, 1,678,226.07 and 707,239.90

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Solution

The fourth proportional to 1,216,593.82, 1,678,226.07 and 707,239.90 is: 975,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,593.82 : 1,678,226.07 = 707,239.90 : x
  2. Step 2: Convert to fraction form
    1,216,593.82/1,678,226.07 = 707,239.90/x
  3. Step 3: Cross multiply
    1,216,593.82x = 1,678,226.07 × 707,239.90
  4. Step 4: Simplify right side
    1,216,593.82x = 1,186,908,437,924.19
  5. Step 5: Solve for x
    x = 1,186,908,437,924.19/1,216,593.82
  6. Step 6: Final answer
    x = 975,599.59

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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.