Home / 811,741.83-1,217,237.43-456,755.82

Finding the Fourth Proportional to 811,741.83, 1,217,237.43 and 456,755.82

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Solution

The fourth proportional to 811,741.83, 1,217,237.43 and 456,755.82 is: 684,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,741.83 : 1,217,237.43 = 456,755.82 : x
  2. Step 2: Convert to fraction form
    811,741.83/1,217,237.43 = 456,755.82/x
  3. Step 3: Cross multiply
    811,741.83x = 1,217,237.43 × 456,755.82
  4. Step 4: Simplify right side
    811,741.83x = 555,980,280,474.34
  5. Step 5: Solve for x
    x = 555,980,280,474.34/811,741.83
  6. Step 6: Final answer
    x = 684,922.55

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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.