Home / 832,305.72-1,148,217.36-487,967.44

Finding the Fourth Proportional to 832,305.72, 1,148,217.36 and 487,967.44

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Solution

The fourth proportional to 832,305.72, 1,148,217.36 and 487,967.44 is: 673,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,305.72 : 1,148,217.36 = 487,967.44 : x
  2. Step 2: Convert to fraction form
    832,305.72/1,148,217.36 = 487,967.44/x
  3. Step 3: Cross multiply
    832,305.72x = 1,148,217.36 × 487,967.44
  4. Step 4: Simplify right side
    832,305.72x = 560,292,685,722.76
  5. Step 5: Solve for x
    x = 560,292,685,722.76/832,305.72
  6. Step 6: Final answer
    x = 673,181.35

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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.