Home / 611,077.45-916,669.50-251,270.19

Finding the Fourth Proportional to 611,077.45, 916,669.50 and 251,270.19

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Solution

The fourth proportional to 611,077.45, 916,669.50 and 251,270.19 is: 376,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,077.45 : 916,669.50 = 251,270.19 : x
  2. Step 2: Convert to fraction form
    611,077.45/916,669.50 = 251,270.19/x
  3. Step 3: Cross multiply
    611,077.45x = 916,669.50 × 251,270.19
  4. Step 4: Simplify right side
    611,077.45x = 230,331,719,432.21
  5. Step 5: Solve for x
    x = 230,331,719,432.21/611,077.45
  6. Step 6: Final answer
    x = 376,927.21

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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.