Home / 905,666.13-1,250,915.40-660,262.25

Finding the Fourth Proportional to 905,666.13, 1,250,915.40 and 660,262.25

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Solution

The fourth proportional to 905,666.13, 1,250,915.40 and 660,262.25 is: 911,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,666.13 : 1,250,915.40 = 660,262.25 : x
  2. Step 2: Convert to fraction form
    905,666.13/1,250,915.40 = 660,262.25/x
  3. Step 3: Cross multiply
    905,666.13x = 1,250,915.40 × 660,262.25
  4. Step 4: Simplify right side
    905,666.13x = 825,932,213,262.34
  5. Step 5: Solve for x
    x = 825,932,213,262.34/905,666.13
  6. Step 6: Final answer
    x = 911,961.03

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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.