Home / 857,648.41-1,183,533.15-490,102.18

Finding the Fourth Proportional to 857,648.41, 1,183,533.15 and 490,102.18

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Solution

The fourth proportional to 857,648.41, 1,183,533.15 and 490,102.18 is: 676,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,648.41 : 1,183,533.15 = 490,102.18 : x
  2. Step 2: Convert to fraction form
    857,648.41/1,183,533.15 = 490,102.18/x
  3. Step 3: Cross multiply
    857,648.41x = 1,183,533.15 × 490,102.18
  4. Step 4: Simplify right side
    857,648.41x = 580,052,176,917.27
  5. Step 5: Solve for x
    x = 580,052,176,917.27/857,648.41
  6. Step 6: Final answer
    x = 676,328.63

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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.