Home / 740,531.35-1,109,904-340,623.82

Finding the Fourth Proportional to 740,531.35, 1,109,904 and 340,623.82

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Solution

The fourth proportional to 740,531.35, 1,109,904 and 340,623.82 is: 510,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,531.35 : 1,109,904 = 340,623.82 : x
  2. Step 2: Convert to fraction form
    740,531.35/1,109,904 = 340,623.82/x
  3. Step 3: Cross multiply
    740,531.35x = 1,109,904 × 340,623.82
  4. Step 4: Simplify right side
    740,531.35x = 378,059,740,313.28
  5. Step 5: Solve for x
    x = 378,059,740,313.28/740,531.35
  6. Step 6: Final answer
    x = 510,524.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.