Home / 923,906.40-1,385,990.82-284,263.13

Finding the Fourth Proportional to 923,906.40, 1,385,990.82 and 284,263.13

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Solution

The fourth proportional to 923,906.40, 1,385,990.82 and 284,263.13 is: 426,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,906.40 : 1,385,990.82 = 284,263.13 : x
  2. Step 2: Convert to fraction form
    923,906.40/1,385,990.82 = 284,263.13/x
  3. Step 3: Cross multiply
    923,906.40x = 1,385,990.82 × 284,263.13
  4. Step 4: Simplify right side
    923,906.40x = 393,986,081,714.51
  5. Step 5: Solve for x
    x = 393,986,081,714.51/923,906.40
  6. Step 6: Final answer
    x = 426,435.06

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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.