Home / 805,712.20-1,207,256.10-593,135.80

Finding the Fourth Proportional to 805,712.20, 1,207,256.10 and 593,135.80

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Solution

The fourth proportional to 805,712.20, 1,207,256.10 and 593,135.80 is: 888,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,712.20 : 1,207,256.10 = 593,135.80 : x
  2. Step 2: Convert to fraction form
    805,712.20/1,207,256.10 = 593,135.80/x
  3. Step 3: Cross multiply
    805,712.20x = 1,207,256.10 × 593,135.80
  4. Step 4: Simplify right side
    805,712.20x = 716,066,812,678.38
  5. Step 5: Solve for x
    x = 716,066,812,678.38/805,712.20
  6. Step 6: Final answer
    x = 888,737.71

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1.5x scale

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.