Home / 723,391.08-1,084,864.98-500,185.86

Finding the Fourth Proportional to 723,391.08, 1,084,864.98 and 500,185.86

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Solution

The fourth proportional to 723,391.08, 1,084,864.98 and 500,185.86 is: 750,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,391.08 : 1,084,864.98 = 500,185.86 : x
  2. Step 2: Convert to fraction form
    723,391.08/1,084,864.98 = 500,185.86/x
  3. Step 3: Cross multiply
    723,391.08x = 1,084,864.98 × 500,185.86
  4. Step 4: Simplify right side
    723,391.08x = 542,634,123,005.18
  5. Step 5: Solve for x
    x = 542,634,123,005.18/723,391.08
  6. Step 6: Final answer
    x = 750,125.54

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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.