Home / 749,122-1,033,788.37-409,590.25

Finding the Fourth Proportional to 749,122, 1,033,788.37 and 409,590.25

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Solution

The fourth proportional to 749,122, 1,033,788.37 and 409,590.25 is: 565,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,122 : 1,033,788.37 = 409,590.25 : x
  2. Step 2: Convert to fraction form
    749,122/1,033,788.37 = 409,590.25/x
  3. Step 3: Cross multiply
    749,122x = 1,033,788.37 × 409,590.25
  4. Step 4: Simplify right side
    749,122x = 423,429,636,915.39
  5. Step 5: Solve for x
    x = 423,429,636,915.39/749,122
  6. Step 6: Final answer
    x = 565,234.55

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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.