Home / 1,687,526.16-2,530,890.36-621,989.52

Finding the Fourth Proportional to 1,687,526.16, 2,530,890.36 and 621,989.52

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Solution

The fourth proportional to 1,687,526.16, 2,530,890.36 and 621,989.52 is: 932,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,526.16 : 2,530,890.36 = 621,989.52 : x
  2. Step 2: Convert to fraction form
    1,687,526.16/2,530,890.36 = 621,989.52/x
  3. Step 3: Cross multiply
    1,687,526.16x = 2,530,890.36 × 621,989.52
  4. Step 4: Simplify right side
    1,687,526.16x = 1,574,187,280,189.03
  5. Step 5: Solve for x
    x = 1,574,187,280,189.03/1,687,526.16
  6. Step 6: Final answer
    x = 932,837.26

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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.