Home / 617,309.23-926,130.27-257,360.47

Finding the Fourth Proportional to 617,309.23, 926,130.27 and 257,360.47

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Solution

The fourth proportional to 617,309.23, 926,130.27 and 257,360.47 is: 386,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,309.23 : 926,130.27 = 257,360.47 : x
  2. Step 2: Convert to fraction form
    617,309.23/926,130.27 = 257,360.47/x
  3. Step 3: Cross multiply
    617,309.23x = 926,130.27 × 257,360.47
  4. Step 4: Simplify right side
    617,309.23x = 238,349,321,568.43
  5. Step 5: Solve for x
    x = 238,349,321,568.43/617,309.23
  6. Step 6: Final answer
    x = 386,110.09

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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.