Home / 624,000.06-861,120.27-352,125.72

Finding the Fourth Proportional to 624,000.06, 861,120.27 and 352,125.72

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Solution

The fourth proportional to 624,000.06, 861,120.27 and 352,125.72 is: 485,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,000.06 : 861,120.27 = 352,125.72 : x
  2. Step 2: Convert to fraction form
    624,000.06/861,120.27 = 352,125.72/x
  3. Step 3: Cross multiply
    624,000.06x = 861,120.27 × 352,125.72
  4. Step 4: Simplify right side
    624,000.06x = 303,222,595,080.34
  5. Step 5: Solve for x
    x = 303,222,595,080.34/624,000.06
  6. Step 6: Final answer
    x = 485,933.60

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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.