Home / 807,565.73-1,114,464.48-445,012.95

Finding the Fourth Proportional to 807,565.73, 1,114,464.48 and 445,012.95

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Solution

The fourth proportional to 807,565.73, 1,114,464.48 and 445,012.95 is: 614,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,565.73 : 1,114,464.48 = 445,012.95 : x
  2. Step 2: Convert to fraction form
    807,565.73/1,114,464.48 = 445,012.95/x
  3. Step 3: Cross multiply
    807,565.73x = 1,114,464.48 × 445,012.95
  4. Step 4: Simplify right side
    807,565.73x = 495,951,120,898.96
  5. Step 5: Solve for x
    x = 495,951,120,898.96/807,565.73
  6. Step 6: Final answer
    x = 614,130.96

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Double scale
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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.