Home / 847,914.48-1,170,074.16-521,351.64

Finding the Fourth Proportional to 847,914.48, 1,170,074.16 and 521,351.64

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Solution

The fourth proportional to 847,914.48, 1,170,074.16 and 521,351.64 is: 719,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,914.48 : 1,170,074.16 = 521,351.64 : x
  2. Step 2: Convert to fraction form
    847,914.48/1,170,074.16 = 521,351.64/x
  3. Step 3: Cross multiply
    847,914.48x = 1,170,074.16 × 521,351.64
  4. Step 4: Simplify right side
    847,914.48x = 610,020,082,237.62
  5. Step 5: Solve for x
    x = 610,020,082,237.62/847,914.48
  6. Step 6: Final answer
    x = 719,435.86

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1.5x scale

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.