Home / 906,290.37-1,250,776.28-519,136.70

Finding the Fourth Proportional to 906,290.37, 1,250,776.28 and 519,136.70

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Solution

The fourth proportional to 906,290.37, 1,250,776.28 and 519,136.70 is: 716,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,290.37 : 1,250,776.28 = 519,136.70 : x
  2. Step 2: Convert to fraction form
    906,290.37/1,250,776.28 = 519,136.70/x
  3. Step 3: Cross multiply
    906,290.37x = 1,250,776.28 × 519,136.70
  4. Step 4: Simplify right side
    906,290.37x = 649,323,865,481.44
  5. Step 5: Solve for x
    x = 649,323,865,481.44/906,290.37
  6. Step 6: Final answer
    x = 716,463.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.