Home / 1,105,000.20-1,656,333.90-630,664.20

Finding the Fourth Proportional to 1,105,000.20, 1,656,333.90 and 630,664.20

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Solution

The fourth proportional to 1,105,000.20, 1,656,333.90 and 630,664.20 is: 945,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,000.20 : 1,656,333.90 = 630,664.20 : x
  2. Step 2: Convert to fraction form
    1,105,000.20/1,656,333.90 = 630,664.20/x
  3. Step 3: Cross multiply
    1,105,000.20x = 1,656,333.90 × 630,664.20
  4. Step 4: Simplify right side
    1,105,000.20x = 1,044,590,493,976.38
  5. Step 5: Solve for x
    x = 1,044,590,493,976.38/1,105,000.20
  6. Step 6: Final answer
    x = 945,330.59

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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.