Home / 690,064.20-952,315.92-384,154.20

Finding the Fourth Proportional to 690,064.20, 952,315.92 and 384,154.20

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Solution

The fourth proportional to 690,064.20, 952,315.92 and 384,154.20 is: 530,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,064.20 : 952,315.92 = 384,154.20 : x
  2. Step 2: Convert to fraction form
    690,064.20/952,315.92 = 384,154.20/x
  3. Step 3: Cross multiply
    690,064.20x = 952,315.92 × 384,154.20
  4. Step 4: Simplify right side
    690,064.20x = 365,836,160,394.86
  5. Step 5: Solve for x
    x = 365,836,160,394.86/690,064.20
  6. Step 6: Final answer
    x = 530,148.01

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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.