Home / 926,147.32-1,389,206.40-295,056.88

Finding the Fourth Proportional to 926,147.32, 1,389,206.40 and 295,056.88

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Solution

The fourth proportional to 926,147.32, 1,389,206.40 and 295,056.88 is: 442,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,147.32 : 1,389,206.40 = 295,056.88 : x
  2. Step 2: Convert to fraction form
    926,147.32/1,389,206.40 = 295,056.88/x
  3. Step 3: Cross multiply
    926,147.32x = 1,389,206.40 × 295,056.88
  4. Step 4: Simplify right side
    926,147.32x = 409,894,906,060.03
  5. Step 5: Solve for x
    x = 409,894,906,060.03/926,147.32
  6. Step 6: Final answer
    x = 442,580.68

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Double scale
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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.