Home / 633,742.20-874,559.16-347,261.58

Finding the Fourth Proportional to 633,742.20, 874,559.16 and 347,261.58

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Solution

The fourth proportional to 633,742.20, 874,559.16 and 347,261.58 is: 479,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,742.20 : 874,559.16 = 347,261.58 : x
  2. Step 2: Convert to fraction form
    633,742.20/874,559.16 = 347,261.58/x
  3. Step 3: Cross multiply
    633,742.20x = 874,559.16 × 347,261.58
  4. Step 4: Simplify right side
    633,742.20x = 303,700,795,705.07
  5. Step 5: Solve for x
    x = 303,700,795,705.07/633,742.20
  6. Step 6: Final answer
    x = 479,218.20

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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.