Home / 911,542.18-1,254,297.80-883,807.60

Finding the Fourth Proportional to 911,542.18, 1,254,297.80 and 883,807.60

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Solution

The fourth proportional to 911,542.18, 1,254,297.80 and 883,807.60 is: 1,216,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,542.18 : 1,254,297.80 = 883,807.60 : x
  2. Step 2: Convert to fraction form
    911,542.18/1,254,297.80 = 883,807.60/x
  3. Step 3: Cross multiply
    911,542.18x = 1,254,297.80 × 883,807.60
  4. Step 4: Simplify right side
    911,542.18x = 1,108,557,925,372.53
  5. Step 5: Solve for x
    x = 1,108,557,925,372.53/911,542.18
  6. Step 6: Final answer
    x = 1,216,134.54

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1.5x scale

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.