Home / 672,447.16-1,008,820.50-293,429.08

Finding the Fourth Proportional to 672,447.16, 1,008,820.50 and 293,429.08

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Solution

The fourth proportional to 672,447.16, 1,008,820.50 and 293,429.08 is: 440,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,447.16 : 1,008,820.50 = 293,429.08 : x
  2. Step 2: Convert to fraction form
    672,447.16/1,008,820.50 = 293,429.08/x
  3. Step 3: Cross multiply
    672,447.16x = 1,008,820.50 × 293,429.08
  4. Step 4: Simplify right side
    672,447.16x = 296,017,271,200.14
  5. Step 5: Solve for x
    x = 296,017,271,200.14/672,447.16
  6. Step 6: Final answer
    x = 440,208.97

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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.