Home / 574,981.26-858,429.08-439,335.42

Finding the Fourth Proportional to 574,981.26, 858,429.08 and 439,335.42

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Solution

The fourth proportional to 574,981.26, 858,429.08 and 439,335.42 is: 655,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,981.26 : 858,429.08 = 439,335.42 : x
  2. Step 2: Convert to fraction form
    574,981.26/858,429.08 = 439,335.42/x
  3. Step 3: Cross multiply
    574,981.26x = 858,429.08 × 439,335.42
  4. Step 4: Simplify right side
    574,981.26x = 377,138,298,205.34
  5. Step 5: Solve for x
    x = 377,138,298,205.34/574,981.26
  6. Step 6: Final answer
    x = 655,914.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.