Home / 691,264-953,944.36-373,312

Finding the Fourth Proportional to 691,264, 953,944.36 and 373,312

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Solution

The fourth proportional to 691,264, 953,944.36 and 373,312 is: 515,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,264 : 953,944.36 = 373,312 : x
  2. Step 2: Convert to fraction form
    691,264/953,944.36 = 373,312/x
  3. Step 3: Cross multiply
    691,264x = 953,944.36 × 373,312
  4. Step 4: Simplify right side
    691,264x = 356,118,876,920.32
  5. Step 5: Solve for x
    x = 356,118,876,920.32/691,264
  6. Step 6: Final answer
    x = 515,170.58

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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.