Home / 1,122,632.14-1,684,002.40-313,015

Finding the Fourth Proportional to 1,122,632.14, 1,684,002.40 and 313,015

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Solution

The fourth proportional to 1,122,632.14, 1,684,002.40 and 313,015 is: 469,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,632.14 : 1,684,002.40 = 313,015 : x
  2. Step 2: Convert to fraction form
    1,122,632.14/1,684,002.40 = 313,015/x
  3. Step 3: Cross multiply
    1,122,632.14x = 1,684,002.40 × 313,015
  4. Step 4: Simplify right side
    1,122,632.14x = 527,118,011,236
  5. Step 5: Solve for x
    x = 527,118,011,236/1,122,632.14
  6. Step 6: Final answer
    x = 469,537.61

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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.