Home / 838,272.84-1,257,409.67-277,307.34

Finding the Fourth Proportional to 838,272.84, 1,257,409.67 and 277,307.34

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Solution

The fourth proportional to 838,272.84, 1,257,409.67 and 277,307.34 is: 415,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,272.84 : 1,257,409.67 = 277,307.34 : x
  2. Step 2: Convert to fraction form
    838,272.84/1,257,409.67 = 277,307.34/x
  3. Step 3: Cross multiply
    838,272.84x = 1,257,409.67 × 277,307.34
  4. Step 4: Simplify right side
    838,272.84x = 348,688,929,491.44
  5. Step 5: Solve for x
    x = 348,688,929,491.44/838,272.84
  6. Step 6: Final answer
    x = 415,961.14

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Double scale
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Similar ratio
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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.