Home / 893,048.28-1,232,401.70-485,146.86

Finding the Fourth Proportional to 893,048.28, 1,232,401.70 and 485,146.86

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Solution

The fourth proportional to 893,048.28, 1,232,401.70 and 485,146.86 is: 669,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,048.28 : 1,232,401.70 = 485,146.86 : x
  2. Step 2: Convert to fraction form
    893,048.28/1,232,401.70 = 485,146.86/x
  3. Step 3: Cross multiply
    893,048.28x = 1,232,401.70 × 485,146.86
  4. Step 4: Simplify right side
    893,048.28x = 597,895,815,013.66
  5. Step 5: Solve for x
    x = 597,895,815,013.66/893,048.28
  6. Step 6: Final answer
    x = 669,499.99

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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.