Home / 690,011.17-952,205.22-384,087.11

Finding the Fourth Proportional to 690,011.17, 952,205.22 and 384,087.11

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Solution

The fourth proportional to 690,011.17, 952,205.22 and 384,087.11 is: 530,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,011.17 : 952,205.22 = 384,087.11 : x
  2. Step 2: Convert to fraction form
    690,011.17/952,205.22 = 384,087.11/x
  3. Step 3: Cross multiply
    690,011.17x = 952,205.22 × 384,087.11
  4. Step 4: Simplify right side
    690,011.17x = 365,729,746,315.69
  5. Step 5: Solve for x
    x = 365,729,746,315.69/690,011.17
  6. Step 6: Final answer
    x = 530,034.53

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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.