Home / 451,756.58-623,319.53-270,399.60

Finding the Fourth Proportional to 451,756.58, 623,319.53 and 270,399.60

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Solution

The fourth proportional to 451,756.58, 623,319.53 and 270,399.60 is: 373,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,756.58 : 623,319.53 = 270,399.60 : x
  2. Step 2: Convert to fraction form
    451,756.58/623,319.53 = 270,399.60/x
  3. Step 3: Cross multiply
    451,756.58x = 623,319.53 × 270,399.60
  4. Step 4: Simplify right side
    451,756.58x = 168,545,350,232.19
  5. Step 5: Solve for x
    x = 168,545,350,232.19/451,756.58
  6. Step 6: Final answer
    x = 373,088.87

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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.