Home / 683,246.40-1,024,869.60-631,924.80

Finding the Fourth Proportional to 683,246.40, 1,024,869.60 and 631,924.80

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Solution

The fourth proportional to 683,246.40, 1,024,869.60 and 631,924.80 is: 947,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,246.40 : 1,024,869.60 = 631,924.80 : x
  2. Step 2: Convert to fraction form
    683,246.40/1,024,869.60 = 631,924.80/x
  3. Step 3: Cross multiply
    683,246.40x = 1,024,869.60 × 631,924.80
  4. Step 4: Simplify right side
    683,246.40x = 647,640,517,006.08
  5. Step 5: Solve for x
    x = 647,640,517,006.08/683,246.40
  6. Step 6: Final answer
    x = 947,887.20

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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.