Home / 624,284.80-861,516.06-352,364.20

Finding the Fourth Proportional to 624,284.80, 861,516.06 and 352,364.20

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Solution

The fourth proportional to 624,284.80, 861,516.06 and 352,364.20 is: 486,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,284.80 : 861,516.06 = 352,364.20 : x
  2. Step 2: Convert to fraction form
    624,284.80/861,516.06 = 352,364.20/x
  3. Step 3: Cross multiply
    624,284.80x = 861,516.06 × 352,364.20
  4. Step 4: Simplify right side
    624,284.80x = 303,567,417,269.05
  5. Step 5: Solve for x
    x = 303,567,417,269.05/624,284.80
  6. Step 6: Final answer
    x = 486,264.31

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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.