Home / 930,588.17-1,395,979.31-256,669.59

Finding the Fourth Proportional to 930,588.17, 1,395,979.31 and 256,669.59

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Solution

The fourth proportional to 930,588.17, 1,395,979.31 and 256,669.59 is: 385,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,588.17 : 1,395,979.31 = 256,669.59 : x
  2. Step 2: Convert to fraction form
    930,588.17/1,395,979.31 = 256,669.59/x
  3. Step 3: Cross multiply
    930,588.17x = 1,395,979.31 × 256,669.59
  4. Step 4: Simplify right side
    930,588.17x = 358,305,437,146.18
  5. Step 5: Solve for x
    x = 358,305,437,146.18/930,588.17
  6. Step 6: Final answer
    x = 385,031.15

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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.