Home / 689,384.01-1,035,044.83-352,666.20

Finding the Fourth Proportional to 689,384.01, 1,035,044.83 and 352,666.20

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Solution

The fourth proportional to 689,384.01, 1,035,044.83 and 352,666.20 is: 529,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,384.01 : 1,035,044.83 = 352,666.20 : x
  2. Step 2: Convert to fraction form
    689,384.01/1,035,044.83 = 352,666.20/x
  3. Step 3: Cross multiply
    689,384.01x = 1,035,044.83 × 352,666.20
  4. Step 4: Simplify right side
    689,384.01x = 365,025,331,348.00
  5. Step 5: Solve for x
    x = 365,025,331,348.00/689,384.01
  6. Step 6: Final answer
    x = 529,494.92

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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.