Home / 691,057.86-1,036,639.27-235,507.52

Finding the Fourth Proportional to 691,057.86, 1,036,639.27 and 235,507.52

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Solution

The fourth proportional to 691,057.86, 1,036,639.27 and 235,507.52 is: 353,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,057.86 : 1,036,639.27 = 235,507.52 : x
  2. Step 2: Convert to fraction form
    691,057.86/1,036,639.27 = 235,507.52/x
  3. Step 3: Cross multiply
    691,057.86x = 1,036,639.27 × 235,507.52
  4. Step 4: Simplify right side
    691,057.86x = 244,136,343,612.31
  5. Step 5: Solve for x
    x = 244,136,343,612.31/691,057.86
  6. Step 6: Final answer
    x = 353,279.16

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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.