Home / 756,000.16-1,043,091.60-480,257.44

Finding the Fourth Proportional to 756,000.16, 1,043,091.60 and 480,257.44

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Solution

The fourth proportional to 756,000.16, 1,043,091.60 and 480,257.44 is: 662,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,000.16 : 1,043,091.60 = 480,257.44 : x
  2. Step 2: Convert to fraction form
    756,000.16/1,043,091.60 = 480,257.44/x
  3. Step 3: Cross multiply
    756,000.16x = 1,043,091.60 × 480,257.44
  4. Step 4: Simplify right side
    756,000.16x = 500,952,501,501.50
  5. Step 5: Solve for x
    x = 500,952,501,501.50/756,000.16
  6. Step 6: Final answer
    x = 662,635.44

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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.