Home / 814,722.57-1,124,283.83-452,161.53

Finding the Fourth Proportional to 814,722.57, 1,124,283.83 and 452,161.53

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Solution

The fourth proportional to 814,722.57, 1,124,283.83 and 452,161.53 is: 623,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,722.57 : 1,124,283.83 = 452,161.53 : x
  2. Step 2: Convert to fraction form
    814,722.57/1,124,283.83 = 452,161.53/x
  3. Step 3: Cross multiply
    814,722.57x = 1,124,283.83 × 452,161.53
  4. Step 4: Simplify right side
    814,722.57x = 508,357,894,466.25
  5. Step 5: Solve for x
    x = 508,357,894,466.25/814,722.57
  6. Step 6: Final answer
    x = 623,964.42

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1.5x scale

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.