Home / 1,102,812.57-1,653,042.74-628,476.57

Finding the Fourth Proportional to 1,102,812.57, 1,653,042.74 and 628,476.57

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Solution

The fourth proportional to 1,102,812.57, 1,653,042.74 and 628,476.57 is: 942,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,812.57 : 1,653,042.74 = 628,476.57 : x
  2. Step 2: Convert to fraction form
    1,102,812.57/1,653,042.74 = 628,476.57/x
  3. Step 3: Cross multiply
    1,102,812.57x = 1,653,042.74 × 628,476.57
  4. Step 4: Simplify right side
    1,102,812.57x = 1,038,898,628,156.22
  5. Step 5: Solve for x
    x = 1,038,898,628,156.22/1,102,812.57
  6. Step 6: Final answer
    x = 942,044.60

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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.