Home / 526,998.07-727,262.34-309,210.44

Finding the Fourth Proportional to 526,998.07, 727,262.34 and 309,210.44

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Solution

The fourth proportional to 526,998.07, 727,262.34 and 309,210.44 is: 426,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,998.07 : 727,262.34 = 309,210.44 : x
  2. Step 2: Convert to fraction form
    526,998.07/727,262.34 = 309,210.44/x
  3. Step 3: Cross multiply
    526,998.07x = 727,262.34 × 309,210.44
  4. Step 4: Simplify right side
    526,998.07x = 224,877,109,181.14
  5. Step 5: Solve for x
    x = 224,877,109,181.14/526,998.07
  6. Step 6: Final answer
    x = 426,713.35

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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.