Home / 656,714.52-905,705.55-453,090.24

Finding the Fourth Proportional to 656,714.52, 905,705.55 and 453,090.24

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Solution

The fourth proportional to 656,714.52, 905,705.55 and 453,090.24 is: 624,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,714.52 : 905,705.55 = 453,090.24 : x
  2. Step 2: Convert to fraction form
    656,714.52/905,705.55 = 453,090.24/x
  3. Step 3: Cross multiply
    656,714.52x = 905,705.55 × 453,090.24
  4. Step 4: Simplify right side
    656,714.52x = 410,366,345,018.83
  5. Step 5: Solve for x
    x = 410,366,345,018.83/656,714.52
  6. Step 6: Final answer
    x = 624,877.83

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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.