Home / 926,148.32-1,389,207.90-295,057.88

Finding the Fourth Proportional to 926,148.32, 1,389,207.90 and 295,057.88

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Solution

The fourth proportional to 926,148.32, 1,389,207.90 and 295,057.88 is: 442,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,148.32 : 1,389,207.90 = 295,057.88 : x
  2. Step 2: Convert to fraction form
    926,148.32/1,389,207.90 = 295,057.88/x
  3. Step 3: Cross multiply
    926,148.32x = 1,389,207.90 × 295,057.88
  4. Step 4: Simplify right side
    926,148.32x = 409,896,737,853.25
  5. Step 5: Solve for x
    x = 409,896,737,853.25/926,148.32
  6. Step 6: Final answer
    x = 442,582.18

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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.