Home / 1,528,149.60-2,108,722.98-883,611.54

Finding the Fourth Proportional to 1,528,149.60, 2,108,722.98 and 883,611.54

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Solution

The fourth proportional to 1,528,149.60, 2,108,722.98 and 883,611.54 is: 1,219,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,149.60 : 2,108,722.98 = 883,611.54 : x
  2. Step 2: Convert to fraction form
    1,528,149.60/2,108,722.98 = 883,611.54/x
  3. Step 3: Cross multiply
    1,528,149.60x = 2,108,722.98 × 883,611.54
  4. Step 4: Simplify right side
    1,528,149.60x = 1,863,291,959,791.19
  5. Step 5: Solve for x
    x = 1,863,291,959,791.19/1,528,149.60
  6. Step 6: Final answer
    x = 1,219,312.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.