Home / 809,424.48-1,117,014.80-446,848.56

Finding the Fourth Proportional to 809,424.48, 1,117,014.80 and 446,848.56

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Solution

The fourth proportional to 809,424.48, 1,117,014.80 and 446,848.56 is: 616,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,424.48 : 1,117,014.80 = 446,848.56 : x
  2. Step 2: Convert to fraction form
    809,424.48/1,117,014.80 = 446,848.56/x
  3. Step 3: Cross multiply
    809,424.48x = 1,117,014.80 × 446,848.56
  4. Step 4: Simplify right side
    809,424.48x = 499,136,454,878.69
  5. Step 5: Solve for x
    x = 499,136,454,878.69/809,424.48
  6. Step 6: Final answer
    x = 616,655.99

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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.