Home / 690,525.32-952,921.98-384,605.33

Finding the Fourth Proportional to 690,525.32, 952,921.98 and 384,605.33

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Solution

The fourth proportional to 690,525.32, 952,921.98 and 384,605.33 is: 530,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,525.32 : 952,921.98 = 384,605.33 : x
  2. Step 2: Convert to fraction form
    690,525.32/952,921.98 = 384,605.33/x
  3. Step 3: Cross multiply
    690,525.32x = 952,921.98 × 384,605.33
  4. Step 4: Simplify right side
    690,525.32x = 366,498,867,817.54
  5. Step 5: Solve for x
    x = 366,498,867,817.54/690,525.32
  6. Step 6: Final answer
    x = 530,753.70

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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.