Home / 883,714.74-1,219,451.46-496,499.92

Finding the Fourth Proportional to 883,714.74, 1,219,451.46 and 496,499.92

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Solution

The fourth proportional to 883,714.74, 1,219,451.46 and 496,499.92 is: 685,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,714.74 : 1,219,451.46 = 496,499.92 : x
  2. Step 2: Convert to fraction form
    883,714.74/1,219,451.46 = 496,499.92/x
  3. Step 3: Cross multiply
    883,714.74x = 1,219,451.46 × 496,499.92
  4. Step 4: Simplify right side
    883,714.74x = 605,457,552,333.88
  5. Step 5: Solve for x
    x = 605,457,552,333.88/883,714.74
  6. Step 6: Final answer
    x = 685,127.82

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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.