Home / 814,820.51-1,124,591.51-470,594.61

Finding the Fourth Proportional to 814,820.51, 1,124,591.51 and 470,594.61

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Solution

The fourth proportional to 814,820.51, 1,124,591.51 and 470,594.61 is: 649,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,820.51 : 1,124,591.51 = 470,594.61 : x
  2. Step 2: Convert to fraction form
    814,820.51/1,124,591.51 = 470,594.61/x
  3. Step 3: Cross multiply
    814,820.51x = 1,124,591.51 × 470,594.61
  4. Step 4: Simplify right side
    814,820.51x = 529,226,704,234.25
  5. Step 5: Solve for x
    x = 529,226,704,234.25/814,820.51
  6. Step 6: Final answer
    x = 649,500.96

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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.