Home / 738,658.08-1,018,768.32-534,738.96

Finding the Fourth Proportional to 738,658.08, 1,018,768.32 and 534,738.96

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Solution

The fourth proportional to 738,658.08, 1,018,768.32 and 534,738.96 is: 737,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,658.08 : 1,018,768.32 = 534,738.96 : x
  2. Step 2: Convert to fraction form
    738,658.08/1,018,768.32 = 534,738.96/x
  3. Step 3: Cross multiply
    738,658.08x = 1,018,768.32 × 534,738.96
  4. Step 4: Simplify right side
    738,658.08x = 544,775,111,917.75
  5. Step 5: Solve for x
    x = 544,775,111,917.75/738,658.08
  6. Step 6: Final answer
    x = 737,520.01

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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.