Home / 930,586.17-1,395,976.31-256,667.59

Finding the Fourth Proportional to 930,586.17, 1,395,976.31 and 256,667.59

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Solution

The fourth proportional to 930,586.17, 1,395,976.31 and 256,667.59 is: 385,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,586.17 : 1,395,976.31 = 256,667.59 : x
  2. Step 2: Convert to fraction form
    930,586.17/1,395,976.31 = 256,667.59/x
  3. Step 3: Cross multiply
    930,586.17x = 1,395,976.31 × 256,667.59
  4. Step 4: Simplify right side
    930,586.17x = 358,301,875,184.79
  5. Step 5: Solve for x
    x = 358,301,875,184.79/930,586.17
  6. Step 6: Final answer
    x = 385,028.15

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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.