Home / 957,653.40-1,436,480.10-943,656.60

Finding the Fourth Proportional to 957,653.40, 1,436,480.10 and 943,656.60

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Solution

The fourth proportional to 957,653.40, 1,436,480.10 and 943,656.60 is: 1,415,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,653.40 : 1,436,480.10 = 943,656.60 : x
  2. Step 2: Convert to fraction form
    957,653.40/1,436,480.10 = 943,656.60/x
  3. Step 3: Cross multiply
    957,653.40x = 1,436,480.10 × 943,656.60
  4. Step 4: Simplify right side
    957,653.40x = 1,355,543,927,133.66
  5. Step 5: Solve for x
    x = 1,355,543,927,133.66/957,653.40
  6. Step 6: Final answer
    x = 1,415,484.90

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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.