Home / 566,122.48-781,255.23-308,000.91

Finding the Fourth Proportional to 566,122.48, 781,255.23 and 308,000.91

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Solution

The fourth proportional to 566,122.48, 781,255.23 and 308,000.91 is: 425,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,122.48 : 781,255.23 = 308,000.91 : x
  2. Step 2: Convert to fraction form
    566,122.48/781,255.23 = 308,000.91/x
  3. Step 3: Cross multiply
    566,122.48x = 781,255.23 × 308,000.91
  4. Step 4: Simplify right side
    566,122.48x = 240,627,321,782.26
  5. Step 5: Solve for x
    x = 240,627,321,782.26/566,122.48
  6. Step 6: Final answer
    x = 425,044.63

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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.