Home / 808,079.73-1,115,166.91-445,518.87

Finding the Fourth Proportional to 808,079.73, 1,115,166.91 and 445,518.87

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Solution

The fourth proportional to 808,079.73, 1,115,166.91 and 445,518.87 is: 614,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,079.73 : 1,115,166.91 = 445,518.87 : x
  2. Step 2: Convert to fraction form
    808,079.73/1,115,166.91 = 445,518.87/x
  3. Step 3: Cross multiply
    808,079.73x = 1,115,166.91 × 445,518.87
  4. Step 4: Simplify right side
    808,079.73x = 496,827,900,490.80
  5. Step 5: Solve for x
    x = 496,827,900,490.80/808,079.73
  6. Step 6: Final answer
    x = 614,825.35

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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.