Home / 808,127.28-1,115,223.53-445,565.48

Finding the Fourth Proportional to 808,127.28, 1,115,223.53 and 445,565.48

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Solution

The fourth proportional to 808,127.28, 1,115,223.53 and 445,565.48 is: 614,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,127.28 : 1,115,223.53 = 445,565.48 : x
  2. Step 2: Convert to fraction form
    808,127.28/1,115,223.53 = 445,565.48/x
  3. Step 3: Cross multiply
    808,127.28x = 1,115,223.53 × 445,565.48
  4. Step 4: Simplify right side
    808,127.28x = 496,905,099,647.80
  5. Step 5: Solve for x
    x = 496,905,099,647.80/808,127.28
  6. Step 6: Final answer
    x = 614,884.70

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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.