Home / 672,025.85-1,008,038.78-506,137.85

Finding the Fourth Proportional to 672,025.85, 1,008,038.78 and 506,137.85

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Solution

The fourth proportional to 672,025.85, 1,008,038.78 and 506,137.85 is: 759,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,025.85 : 1,008,038.78 = 506,137.85 : x
  2. Step 2: Convert to fraction form
    672,025.85/1,008,038.78 = 506,137.85/x
  3. Step 3: Cross multiply
    672,025.85x = 1,008,038.78 × 506,137.85
  4. Step 4: Simplify right side
    672,025.85x = 510,206,580,825.82
  5. Step 5: Solve for x
    x = 510,206,580,825.82/672,025.85
  6. Step 6: Final answer
    x = 759,206.78

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Double scale
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Similar ratio
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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.