Home / 930,085.88-1,395,136.40-256,204.35

Finding the Fourth Proportional to 930,085.88, 1,395,136.40 and 256,204.35

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Solution

The fourth proportional to 930,085.88, 1,395,136.40 and 256,204.35 is: 384,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,085.88 : 1,395,136.40 = 256,204.35 : x
  2. Step 2: Convert to fraction form
    930,085.88/1,395,136.40 = 256,204.35/x
  3. Step 3: Cross multiply
    930,085.88x = 1,395,136.40 × 256,204.35
  4. Step 4: Simplify right side
    930,085.88x = 357,440,013,242.32
  5. Step 5: Solve for x
    x = 357,440,013,242.32/930,085.88
  6. Step 6: Final answer
    x = 384,308.61

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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.