Home / 707,962.32-1,062,176.76-258,820.56

Finding the Fourth Proportional to 707,962.32, 1,062,176.76 and 258,820.56

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Solution

The fourth proportional to 707,962.32, 1,062,176.76 and 258,820.56 is: 388,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,962.32 : 1,062,176.76 = 258,820.56 : x
  2. Step 2: Convert to fraction form
    707,962.32/1,062,176.76 = 258,820.56/x
  3. Step 3: Cross multiply
    707,962.32x = 1,062,176.76 × 258,820.56
  4. Step 4: Simplify right side
    707,962.32x = 274,913,183,842.19
  5. Step 5: Solve for x
    x = 274,913,183,842.19/707,962.32
  6. Step 6: Final answer
    x = 388,316.12

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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.