Home / 1,456,425.09-2,184,634.44-391,467.12

Finding the Fourth Proportional to 1,456,425.09, 2,184,634.44 and 391,467.12

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Solution

The fourth proportional to 1,456,425.09, 2,184,634.44 and 391,467.12 is: 587,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,425.09 : 2,184,634.44 = 391,467.12 : x
  2. Step 2: Convert to fraction form
    1,456,425.09/2,184,634.44 = 391,467.12/x
  3. Step 3: Cross multiply
    1,456,425.09x = 2,184,634.44 × 391,467.12
  4. Step 4: Simplify right side
    1,456,425.09x = 855,212,552,479.61
  5. Step 5: Solve for x
    x = 855,212,552,479.61/1,456,425.09
  6. Step 6: Final answer
    x = 587,199.82

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Double scale
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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.