Home / 693,225.03-956,646.05-387,299.12

Finding the Fourth Proportional to 693,225.03, 956,646.05 and 387,299.12

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Solution

The fourth proportional to 693,225.03, 956,646.05 and 387,299.12 is: 534,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,225.03 : 956,646.05 = 387,299.12 : x
  2. Step 2: Convert to fraction form
    693,225.03/956,646.05 = 387,299.12/x
  3. Step 3: Cross multiply
    693,225.03x = 956,646.05 × 387,299.12
  4. Step 4: Simplify right side
    693,225.03x = 370,508,171,977.88
  5. Step 5: Solve for x
    x = 370,508,171,977.88/693,225.03
  6. Step 6: Final answer
    x = 534,470.27

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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.