Home / 946,285.12-1,305,698.76-538,363.15

Finding the Fourth Proportional to 946,285.12, 1,305,698.76 and 538,363.15

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Solution

The fourth proportional to 946,285.12, 1,305,698.76 and 538,363.15 is: 742,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,285.12 : 1,305,698.76 = 538,363.15 : x
  2. Step 2: Convert to fraction form
    946,285.12/1,305,698.76 = 538,363.15/x
  3. Step 3: Cross multiply
    946,285.12x = 1,305,698.76 × 538,363.15
  4. Step 4: Simplify right side
    946,285.12x = 702,940,099,306.87
  5. Step 5: Solve for x
    x = 702,940,099,306.87/946,285.12
  6. Step 6: Final answer
    x = 742,841.75

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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.