Home / 676,877.80-1,014,927.90-203,492.20

Finding the Fourth Proportional to 676,877.80, 1,014,927.90 and 203,492.20

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Solution

The fourth proportional to 676,877.80, 1,014,927.90 and 203,492.20 is: 305,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,877.80 : 1,014,927.90 = 203,492.20 : x
  2. Step 2: Convert to fraction form
    676,877.80/1,014,927.90 = 203,492.20/x
  3. Step 3: Cross multiply
    676,877.80x = 1,014,927.90 × 203,492.20
  4. Step 4: Simplify right side
    676,877.80x = 206,529,911,212.38
  5. Step 5: Solve for x
    x = 206,529,911,212.38/676,877.80
  6. Step 6: Final answer
    x = 305,121.41

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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.