Home / 612,617.14-845,287.77-357,919.12

Finding the Fourth Proportional to 612,617.14, 845,287.77 and 357,919.12

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Solution

The fourth proportional to 612,617.14, 845,287.77 and 357,919.12 is: 493,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,617.14 : 845,287.77 = 357,919.12 : x
  2. Step 2: Convert to fraction form
    612,617.14/845,287.77 = 357,919.12/x
  3. Step 3: Cross multiply
    612,617.14x = 845,287.77 × 357,919.12
  4. Step 4: Simplify right side
    612,617.14x = 302,544,654,785.16
  5. Step 5: Solve for x
    x = 302,544,654,785.16/612,617.14
  6. Step 6: Final answer
    x = 493,856.01

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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.