Home / 554,310.40-831,465.60-464,629.73

Finding the Fourth Proportional to 554,310.40, 831,465.60 and 464,629.73

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Solution

The fourth proportional to 554,310.40, 831,465.60 and 464,629.73 is: 696,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,310.40 : 831,465.60 = 464,629.73 : x
  2. Step 2: Convert to fraction form
    554,310.40/831,465.60 = 464,629.73/x
  3. Step 3: Cross multiply
    554,310.40x = 831,465.60 × 464,629.73
  4. Step 4: Simplify right side
    554,310.40x = 386,323,637,232.29
  5. Step 5: Solve for x
    x = 386,323,637,232.29/554,310.40
  6. Step 6: Final answer
    x = 696,944.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.