Home / 723,393.08-1,084,867.98-500,187.86

Finding the Fourth Proportional to 723,393.08, 1,084,867.98 and 500,187.86

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Solution

The fourth proportional to 723,393.08, 1,084,867.98 and 500,187.86 is: 750,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,393.08 : 1,084,867.98 = 500,187.86 : x
  2. Step 2: Convert to fraction form
    723,393.08/1,084,867.98 = 500,187.86/x
  3. Step 3: Cross multiply
    723,393.08x = 1,084,867.98 × 500,187.86
  4. Step 4: Simplify right side
    723,393.08x = 542,637,787,874.38
  5. Step 5: Solve for x
    x = 542,637,787,874.38/723,393.08
  6. Step 6: Final answer
    x = 750,128.54

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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.