Home / 439,961.76-607,156.29-248,975.10

Finding the Fourth Proportional to 439,961.76, 607,156.29 and 248,975.10

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Solution

The fourth proportional to 439,961.76, 607,156.29 and 248,975.10 is: 343,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,961.76 : 607,156.29 = 248,975.10 : x
  2. Step 2: Convert to fraction form
    439,961.76/607,156.29 = 248,975.10/x
  3. Step 3: Cross multiply
    439,961.76x = 607,156.29 × 248,975.10
  4. Step 4: Simplify right side
    439,961.76x = 151,166,798,018.38
  5. Step 5: Solve for x
    x = 151,166,798,018.38/439,961.76
  6. Step 6: Final answer
    x = 343,590.77

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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.