Home / 777,152.93-1,165,886.55-327,874.77

Finding the Fourth Proportional to 777,152.93, 1,165,886.55 and 327,874.77

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Solution

The fourth proportional to 777,152.93, 1,165,886.55 and 327,874.77 is: 491,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,152.93 : 1,165,886.55 = 327,874.77 : x
  2. Step 2: Convert to fraction form
    777,152.93/1,165,886.55 = 327,874.77/x
  3. Step 3: Cross multiply
    777,152.93x = 1,165,886.55 × 327,874.77
  4. Step 4: Simplify right side
    777,152.93x = 382,264,784,427.34
  5. Step 5: Solve for x
    x = 382,264,784,427.34/777,152.93
  6. Step 6: Final answer
    x = 491,878.46

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1.5x scale

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.