Home / 753,322.42-1,039,592.28-413,790.70

Finding the Fourth Proportional to 753,322.42, 1,039,592.28 and 413,790.70

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Solution

The fourth proportional to 753,322.42, 1,039,592.28 and 413,790.70 is: 571,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,322.42 : 1,039,592.28 = 413,790.70 : x
  2. Step 2: Convert to fraction form
    753,322.42/1,039,592.28 = 413,790.70/x
  3. Step 3: Cross multiply
    753,322.42x = 1,039,592.28 × 413,790.70
  4. Step 4: Simplify right side
    753,322.42x = 430,173,617,255.80
  5. Step 5: Solve for x
    x = 430,173,617,255.80/753,322.42
  6. Step 6: Final answer
    x = 571,035.20

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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.