Home / 690,738.18-953,204.22-384,814.14

Finding the Fourth Proportional to 690,738.18, 953,204.22 and 384,814.14

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Solution

The fourth proportional to 690,738.18, 953,204.22 and 384,814.14 is: 531,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,738.18 : 953,204.22 = 384,814.14 : x
  2. Step 2: Convert to fraction form
    690,738.18/953,204.22 = 384,814.14/x
  3. Step 3: Cross multiply
    690,738.18x = 953,204.22 × 384,814.14
  4. Step 4: Simplify right side
    690,738.18x = 366,806,462,163.67
  5. Step 5: Solve for x
    x = 366,806,462,163.67/690,738.18
  6. Step 6: Final answer
    x = 531,035.45

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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.