Home / 1,086,772.60-1,630,164.53-637,178.17

Finding the Fourth Proportional to 1,086,772.60, 1,630,164.53 and 637,178.17

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Solution

The fourth proportional to 1,086,772.60, 1,630,164.53 and 637,178.17 is: 955,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,772.60 : 1,630,164.53 = 637,178.17 : x
  2. Step 2: Convert to fraction form
    1,086,772.60/1,630,164.53 = 637,178.17/x
  3. Step 3: Cross multiply
    1,086,772.60x = 1,630,164.53 × 637,178.17
  4. Step 4: Simplify right side
    1,086,772.60x = 1,038,705,252,024.31
  5. Step 5: Solve for x
    x = 1,038,705,252,024.31/1,086,772.60
  6. Step 6: Final answer
    x = 955,770.56

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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.