Home / 821,879.08-1,134,094.91-454,306.57

Finding the Fourth Proportional to 821,879.08, 1,134,094.91 and 454,306.57

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Solution

The fourth proportional to 821,879.08, 1,134,094.91 and 454,306.57 is: 626,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,879.08 : 1,134,094.91 = 454,306.57 : x
  2. Step 2: Convert to fraction form
    821,879.08/1,134,094.91 = 454,306.57/x
  3. Step 3: Cross multiply
    821,879.08x = 1,134,094.91 × 454,306.57
  4. Step 4: Simplify right side
    821,879.08x = 515,226,760,674.55
  5. Step 5: Solve for x
    x = 515,226,760,674.55/821,879.08
  6. Step 6: Final answer
    x = 626,888.77

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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.