Home / 1,000,663.21-1,501,275.39-402,044.68

Finding the Fourth Proportional to 1,000,663.21, 1,501,275.39 and 402,044.68

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Solution

The fourth proportional to 1,000,663.21, 1,501,275.39 and 402,044.68 is: 603,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,663.21 : 1,501,275.39 = 402,044.68 : x
  2. Step 2: Convert to fraction form
    1,000,663.21/1,501,275.39 = 402,044.68/x
  3. Step 3: Cross multiply
    1,000,663.21x = 1,501,275.39 × 402,044.68
  4. Step 4: Simplify right side
    1,000,663.21x = 603,579,783,764.43
  5. Step 5: Solve for x
    x = 603,579,783,764.43/1,000,663.21
  6. Step 6: Final answer
    x = 603,179.75

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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.