Home / 887,674.48-1,331,521.44-256,593.76

Finding the Fourth Proportional to 887,674.48, 1,331,521.44 and 256,593.76

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Solution

The fourth proportional to 887,674.48, 1,331,521.44 and 256,593.76 is: 384,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,674.48 : 1,331,521.44 = 256,593.76 : x
  2. Step 2: Convert to fraction form
    887,674.48/1,331,521.44 = 256,593.76/x
  3. Step 3: Cross multiply
    887,674.48x = 1,331,521.44 × 256,593.76
  4. Step 4: Simplify right side
    887,674.48x = 341,660,092,810.21
  5. Step 5: Solve for x
    x = 341,660,092,810.21/887,674.48
  6. Step 6: Final answer
    x = 384,893.45

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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.