Home / 808,078.06-1,115,097.15-445,483.18

Finding the Fourth Proportional to 808,078.06, 1,115,097.15 and 445,483.18

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Solution

The fourth proportional to 808,078.06, 1,115,097.15 and 445,483.18 is: 614,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,078.06 : 1,115,097.15 = 445,483.18 : x
  2. Step 2: Convert to fraction form
    808,078.06/1,115,097.15 = 445,483.18/x
  3. Step 3: Cross multiply
    808,078.06x = 1,115,097.15 × 445,483.18
  4. Step 4: Simplify right side
    808,078.06x = 496,757,024,390.94
  5. Step 5: Solve for x
    x = 496,757,024,390.94/808,078.06
  6. Step 6: Final answer
    x = 614,738.91

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Half scale
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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.