Home / 656,431.52-905,528.32-452,131.06

Finding the Fourth Proportional to 656,431.52, 905,528.32 and 452,131.06

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Solution

The fourth proportional to 656,431.52, 905,528.32 and 452,131.06 is: 623,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,431.52 : 905,528.32 = 452,131.06 : x
  2. Step 2: Convert to fraction form
    656,431.52/905,528.32 = 452,131.06/x
  3. Step 3: Cross multiply
    656,431.52x = 905,528.32 × 452,131.06
  4. Step 4: Simplify right side
    656,431.52x = 409,417,479,181.62
  5. Step 5: Solve for x
    x = 409,417,479,181.62/656,431.52
  6. Step 6: Final answer
    x = 623,701.74

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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.