Home / 1,517,784.64-2,094,543.52-838,721.12

Finding the Fourth Proportional to 1,517,784.64, 2,094,543.52 and 838,721.12

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Solution

The fourth proportional to 1,517,784.64, 2,094,543.52 and 838,721.12 is: 1,157,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,784.64 : 2,094,543.52 = 838,721.12 : x
  2. Step 2: Convert to fraction form
    1,517,784.64/2,094,543.52 = 838,721.12/x
  3. Step 3: Cross multiply
    1,517,784.64x = 2,094,543.52 × 838,721.12
  4. Step 4: Simplify right side
    1,517,784.64x = 1,756,737,886,983.14
  5. Step 5: Solve for x
    x = 1,756,737,886,983.14/1,517,784.64
  6. Step 6: Final answer
    x = 1,157,435.54

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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.