Home / 838,080.36-1,257,113.76-555,037.60

Finding the Fourth Proportional to 838,080.36, 1,257,113.76 and 555,037.60

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Solution

The fourth proportional to 838,080.36, 1,257,113.76 and 555,037.60 is: 832,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,080.36 : 1,257,113.76 = 555,037.60 : x
  2. Step 2: Convert to fraction form
    838,080.36/1,257,113.76 = 555,037.60/x
  3. Step 3: Cross multiply
    838,080.36x = 1,257,113.76 × 555,037.60
  4. Step 4: Simplify right side
    838,080.36x = 697,745,404,277.38
  5. Step 5: Solve for x
    x = 697,745,404,277.38/838,080.36
  6. Step 6: Final answer
    x = 832,551.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.