Home / 690,066.40-952,308.32-384,163.46

Finding the Fourth Proportional to 690,066.40, 952,308.32 and 384,163.46

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Solution

The fourth proportional to 690,066.40, 952,308.32 and 384,163.46 is: 530,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,066.40 : 952,308.32 = 384,163.46 : x
  2. Step 2: Convert to fraction form
    690,066.40/952,308.32 = 384,163.46/x
  3. Step 3: Cross multiply
    690,066.40x = 952,308.32 × 384,163.46
  4. Step 4: Simplify right side
    690,066.40x = 365,842,058,787.93
  5. Step 5: Solve for x
    x = 365,842,058,787.93/690,066.40
  6. Step 6: Final answer
    x = 530,154.86

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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.