Home / 1,137,570.40-1,705,783.74-379,145.94

Finding the Fourth Proportional to 1,137,570.40, 1,705,783.74 and 379,145.94

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Solution

The fourth proportional to 1,137,570.40, 1,705,783.74 and 379,145.94 is: 568,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,570.40 : 1,705,783.74 = 379,145.94 : x
  2. Step 2: Convert to fraction form
    1,137,570.40/1,705,783.74 = 379,145.94/x
  3. Step 3: Cross multiply
    1,137,570.40x = 1,705,783.74 × 379,145.94
  4. Step 4: Simplify right side
    1,137,570.40x = 646,740,979,539.02
  5. Step 5: Solve for x
    x = 646,740,979,539.02/1,137,570.40
  6. Step 6: Final answer
    x = 568,528.31

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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.