Home / 624,962.85-862,453.32-338,485.29

Finding the Fourth Proportional to 624,962.85, 862,453.32 and 338,485.29

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Solution

The fourth proportional to 624,962.85, 862,453.32 and 338,485.29 is: 467,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,962.85 : 862,453.32 = 338,485.29 : x
  2. Step 2: Convert to fraction form
    624,962.85/862,453.32 = 338,485.29/x
  3. Step 3: Cross multiply
    624,962.85x = 862,453.32 × 338,485.29
  4. Step 4: Simplify right side
    624,962.85x = 291,927,762,131.66
  5. Step 5: Solve for x
    x = 291,927,762,131.66/624,962.85
  6. Step 6: Final answer
    x = 467,112.18

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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.