Home / 1,778,534.50-2,666,167.00-641,018.31

Finding the Fourth Proportional to 1,778,534.50, 2,666,167.00 and 641,018.31

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Solution

The fourth proportional to 1,778,534.50, 2,666,167.00 and 641,018.31 is: 960,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,534.50 : 2,666,167.00 = 641,018.31 : x
  2. Step 2: Convert to fraction form
    1,778,534.50/2,666,167.00 = 641,018.31/x
  3. Step 3: Cross multiply
    1,778,534.50x = 2,666,167.00 × 641,018.31
  4. Step 4: Simplify right side
    1,778,534.50x = 1,709,061,861,312.68
  5. Step 5: Solve for x
    x = 1,709,061,861,312.68/1,778,534.50
  6. Step 6: Final answer
    x = 960,938.27

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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.