Home / 857,038.44-1,285,373.08-351,103.32

Finding the Fourth Proportional to 857,038.44, 1,285,373.08 and 351,103.32

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Solution

The fourth proportional to 857,038.44, 1,285,373.08 and 351,103.32 is: 526,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,038.44 : 1,285,373.08 = 351,103.32 : x
  2. Step 2: Convert to fraction form
    857,038.44/1,285,373.08 = 351,103.32/x
  3. Step 3: Cross multiply
    857,038.44x = 1,285,373.08 × 351,103.32
  4. Step 4: Simplify right side
    857,038.44x = 451,298,755,826.63
  5. Step 5: Solve for x
    x = 451,298,755,826.63/857,038.44
  6. Step 6: Final answer
    x = 526,579.36

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Double scale
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1.5x scale

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.