Home / 754,845.36-1,041,702.48-415,314.24

Finding the Fourth Proportional to 754,845.36, 1,041,702.48 and 415,314.24

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Solution

The fourth proportional to 754,845.36, 1,041,702.48 and 415,314.24 is: 573,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,845.36 : 1,041,702.48 = 415,314.24 : x
  2. Step 2: Convert to fraction form
    754,845.36/1,041,702.48 = 415,314.24/x
  3. Step 3: Cross multiply
    754,845.36x = 1,041,702.48 × 415,314.24
  4. Step 4: Simplify right side
    754,845.36x = 432,633,873,787.32
  5. Step 5: Solve for x
    x = 432,633,873,787.32/754,845.36
  6. Step 6: Final answer
    x = 573,142.39

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Double scale
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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.