Home / 753,160.48-1,039,350.08-430,949.76

Finding the Fourth Proportional to 753,160.48, 1,039,350.08 and 430,949.76

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Solution

The fourth proportional to 753,160.48, 1,039,350.08 and 430,949.76 is: 594,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,160.48 : 1,039,350.08 = 430,949.76 : x
  2. Step 2: Convert to fraction form
    753,160.48/1,039,350.08 = 430,949.76/x
  3. Step 3: Cross multiply
    753,160.48x = 1,039,350.08 × 430,949.76
  4. Step 4: Simplify right side
    753,160.48x = 447,907,667,531.98
  5. Step 5: Solve for x
    x = 447,907,667,531.98/753,160.48
  6. Step 6: Final answer
    x = 594,704.16

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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.