Home / 910,635.39-1,256,841.32-543,136.10

Finding the Fourth Proportional to 910,635.39, 1,256,841.32 and 543,136.10

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Solution

The fourth proportional to 910,635.39, 1,256,841.32 and 543,136.10 is: 749,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,635.39 : 1,256,841.32 = 543,136.10 : x
  2. Step 2: Convert to fraction form
    910,635.39/1,256,841.32 = 543,136.10/x
  3. Step 3: Cross multiply
    910,635.39x = 1,256,841.32 × 543,136.10
  4. Step 4: Simplify right side
    910,635.39x = 682,635,883,863.77
  5. Step 5: Solve for x
    x = 682,635,883,863.77/910,635.39
  6. Step 6: Final answer
    x = 749,625.91

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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.