Home / 526,830.48-727,026.98-285,113.25

Finding the Fourth Proportional to 526,830.48, 727,026.98 and 285,113.25

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Solution

The fourth proportional to 526,830.48, 727,026.98 and 285,113.25 is: 393,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,830.48 : 727,026.98 = 285,113.25 : x
  2. Step 2: Convert to fraction form
    526,830.48/727,026.98 = 285,113.25/x
  3. Step 3: Cross multiply
    526,830.48x = 727,026.98 × 285,113.25
  4. Step 4: Simplify right side
    526,830.48x = 207,285,025,105.49
  5. Step 5: Solve for x
    x = 207,285,025,105.49/526,830.48
  6. Step 6: Final answer
    x = 393,456.78

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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.