Home / 690,748.84-953,212.35-384,825.07

Finding the Fourth Proportional to 690,748.84, 953,212.35 and 384,825.07

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Solution

The fourth proportional to 690,748.84, 953,212.35 and 384,825.07 is: 531,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,748.84 : 953,212.35 = 384,825.07 : x
  2. Step 2: Convert to fraction form
    690,748.84/953,212.35 = 384,825.07/x
  3. Step 3: Cross multiply
    690,748.84x = 953,212.35 × 384,825.07
  4. Step 4: Simplify right side
    690,748.84x = 366,820,009,313.62
  5. Step 5: Solve for x
    x = 366,820,009,313.62/690,748.84
  6. Step 6: Final answer
    x = 531,046.87

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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.