Home / 743,184.08-1,025,588.39-403,654.76

Finding the Fourth Proportional to 743,184.08, 1,025,588.39 and 403,654.76

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Solution

The fourth proportional to 743,184.08, 1,025,588.39 and 403,654.76 is: 557,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,184.08 : 1,025,588.39 = 403,654.76 : x
  2. Step 2: Convert to fraction form
    743,184.08/1,025,588.39 = 403,654.76/x
  3. Step 3: Cross multiply
    743,184.08x = 1,025,588.39 × 403,654.76
  4. Step 4: Simplify right side
    743,184.08x = 413,983,628,278.02
  5. Step 5: Solve for x
    x = 413,983,628,278.02/743,184.08
  6. Step 6: Final answer
    x = 557,040.50

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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.