Home / 638,528.67-958,416.30-527,341.59

Finding the Fourth Proportional to 638,528.67, 958,416.30 and 527,341.59

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Solution

The fourth proportional to 638,528.67, 958,416.30 and 527,341.59 is: 791,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,528.67 : 958,416.30 = 527,341.59 : x
  2. Step 2: Convert to fraction form
    638,528.67/958,416.30 = 527,341.59/x
  3. Step 3: Cross multiply
    638,528.67x = 958,416.30 × 527,341.59
  4. Step 4: Simplify right side
    638,528.67x = 505,412,775,523.92
  5. Step 5: Solve for x
    x = 505,412,775,523.92/638,528.67
  6. Step 6: Final answer
    x = 791,527.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.