Home / 319,528.74-476,676.38-310,841.58

Finding the Fourth Proportional to 319,528.74, 476,676.38 and 310,841.58

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Solution

The fourth proportional to 319,528.74, 476,676.38 and 310,841.58 is: 463,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,528.74 : 476,676.38 = 310,841.58 : x
  2. Step 2: Convert to fraction form
    319,528.74/476,676.38 = 310,841.58/x
  3. Step 3: Cross multiply
    319,528.74x = 476,676.38 × 310,841.58
  4. Step 4: Simplify right side
    319,528.74x = 148,170,837,553.67
  5. Step 5: Solve for x
    x = 148,170,837,553.67/319,528.74
  6. Step 6: Final answer
    x = 463,716.78

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1.5x scale

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.