Home / 1,352,596.87-2,029,206.35-405,985.51

Finding the Fourth Proportional to 1,352,596.87, 2,029,206.35 and 405,985.51

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Solution

The fourth proportional to 1,352,596.87, 2,029,206.35 and 405,985.51 is: 609,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,596.87 : 2,029,206.35 = 405,985.51 : x
  2. Step 2: Convert to fraction form
    1,352,596.87/2,029,206.35 = 405,985.51/x
  3. Step 3: Cross multiply
    1,352,596.87x = 2,029,206.35 × 405,985.51
  4. Step 4: Simplify right side
    1,352,596.87x = 823,828,374,899.99
  5. Step 5: Solve for x
    x = 823,828,374,899.99/1,352,596.87
  6. Step 6: Final answer
    x = 609,071.63

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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.