Home / 893,139.78-1,232,526.29-485,244.98

Finding the Fourth Proportional to 893,139.78, 1,232,526.29 and 485,244.98

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Solution

The fourth proportional to 893,139.78, 1,232,526.29 and 485,244.98 is: 669,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,139.78 : 1,232,526.29 = 485,244.98 : x
  2. Step 2: Convert to fraction form
    893,139.78/1,232,526.29 = 485,244.98/x
  3. Step 3: Cross multiply
    893,139.78x = 1,232,526.29 × 485,244.98
  4. Step 4: Simplify right side
    893,139.78x = 598,077,188,777.89
  5. Step 5: Solve for x
    x = 598,077,188,777.89/893,139.78
  6. Step 6: Final answer
    x = 669,634.48

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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.