Home / 842,648.76-1,162,859.40-460,675.56

Finding the Fourth Proportional to 842,648.76, 1,162,859.40 and 460,675.56

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Solution

The fourth proportional to 842,648.76, 1,162,859.40 and 460,675.56 is: 635,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,648.76 : 1,162,859.40 = 460,675.56 : x
  2. Step 2: Convert to fraction form
    842,648.76/1,162,859.40 = 460,675.56/x
  3. Step 3: Cross multiply
    842,648.76x = 1,162,859.40 × 460,675.56
  4. Step 4: Simplify right side
    842,648.76x = 535,700,905,296.26
  5. Step 5: Solve for x
    x = 535,700,905,296.26/842,648.76
  6. Step 6: Final answer
    x = 635,734.52

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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.