Home / 1,076,211.90-1,611,207.45-656,307.90

Finding the Fourth Proportional to 1,076,211.90, 1,611,207.45 and 656,307.90

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Solution

The fourth proportional to 1,076,211.90, 1,611,207.45 and 656,307.90 is: 982,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,211.90 : 1,611,207.45 = 656,307.90 : x
  2. Step 2: Convert to fraction form
    1,076,211.90/1,611,207.45 = 656,307.90/x
  3. Step 3: Cross multiply
    1,076,211.90x = 1,611,207.45 × 656,307.90
  4. Step 4: Simplify right side
    1,076,211.90x = 1,057,448,177,973.86
  5. Step 5: Solve for x
    x = 1,057,448,177,973.86/1,076,211.90
  6. Step 6: Final answer
    x = 982,565.03

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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.