Home / 619,101.82-854,541.93-404,275.24

Finding the Fourth Proportional to 619,101.82, 854,541.93 and 404,275.24

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Solution

The fourth proportional to 619,101.82, 854,541.93 and 404,275.24 is: 558,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,101.82 : 854,541.93 = 404,275.24 : x
  2. Step 2: Convert to fraction form
    619,101.82/854,541.93 = 404,275.24/x
  3. Step 3: Cross multiply
    619,101.82x = 854,541.93 × 404,275.24
  4. Step 4: Simplify right side
    619,101.82x = 345,470,143,840.81
  5. Step 5: Solve for x
    x = 345,470,143,840.81/619,101.82
  6. Step 6: Final answer
    x = 558,018.30

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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.