Home / 1,456,303.72-2,184,453.68-391,345.78

Finding the Fourth Proportional to 1,456,303.72, 2,184,453.68 and 391,345.78

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Solution

The fourth proportional to 1,456,303.72, 2,184,453.68 and 391,345.78 is: 587,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,303.72 : 2,184,453.68 = 391,345.78 : x
  2. Step 2: Convert to fraction form
    1,456,303.72/2,184,453.68 = 391,345.78/x
  3. Step 3: Cross multiply
    1,456,303.72x = 2,184,453.68 × 391,345.78
  4. Step 4: Simplify right side
    1,456,303.72x = 854,876,729,273.47
  5. Step 5: Solve for x
    x = 854,876,729,273.47/1,456,303.72
  6. Step 6: Final answer
    x = 587,018.16

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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.