Home / 1,216,592.82-1,678,224.69-707,238.90

Finding the Fourth Proportional to 1,216,592.82, 1,678,224.69 and 707,238.90

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Solution

The fourth proportional to 1,216,592.82, 1,678,224.69 and 707,238.90 is: 975,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,592.82 : 1,678,224.69 = 707,238.90 : x
  2. Step 2: Convert to fraction form
    1,216,592.82/1,678,224.69 = 707,238.90/x
  3. Step 3: Cross multiply
    1,216,592.82x = 1,678,224.69 × 707,238.90
  4. Step 4: Simplify right side
    1,216,592.82x = 1,186,905,783,708.44
  5. Step 5: Solve for x
    x = 1,186,905,783,708.44/1,216,592.82
  6. Step 6: Final answer
    x = 975,598.22

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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.