Home / 850,192.20-1,173,227.22-487,355.88

Finding the Fourth Proportional to 850,192.20, 1,173,227.22 and 487,355.88

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Solution

The fourth proportional to 850,192.20, 1,173,227.22 and 487,355.88 is: 672,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,192.20 : 1,173,227.22 = 487,355.88 : x
  2. Step 2: Convert to fraction form
    850,192.20/1,173,227.22 = 487,355.88/x
  3. Step 3: Cross multiply
    850,192.20x = 1,173,227.22 × 487,355.88
  4. Step 4: Simplify right side
    850,192.20x = 571,779,184,243.05
  5. Step 5: Solve for x
    x = 571,779,184,243.05/850,192.20
  6. Step 6: Final answer
    x = 672,529.32

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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.