Home / 811,741.64-1,217,269.91-243,203.58

Finding the Fourth Proportional to 811,741.64, 1,217,269.91 and 243,203.58

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Solution

The fourth proportional to 811,741.64, 1,217,269.91 and 243,203.58 is: 364,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,741.64 : 1,217,269.91 = 243,203.58 : x
  2. Step 2: Convert to fraction form
    811,741.64/1,217,269.91 = 243,203.58/x
  3. Step 3: Cross multiply
    811,741.64x = 1,217,269.91 × 243,203.58
  4. Step 4: Simplify right side
    811,741.64x = 296,044,398,722.26
  5. Step 5: Solve for x
    x = 296,044,398,722.26/811,741.64
  6. Step 6: Final answer
    x = 364,702.74

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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.