Home / 1,055,865.51-1,583,767.26-257,135.45

Finding the Fourth Proportional to 1,055,865.51, 1,583,767.26 and 257,135.45

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Solution

The fourth proportional to 1,055,865.51, 1,583,767.26 and 257,135.45 is: 385,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,865.51 : 1,583,767.26 = 257,135.45 : x
  2. Step 2: Convert to fraction form
    1,055,865.51/1,583,767.26 = 257,135.45/x
  3. Step 3: Cross multiply
    1,055,865.51x = 1,583,767.26 × 257,135.45
  4. Step 4: Simplify right side
    1,055,865.51x = 407,242,699,176.53
  5. Step 5: Solve for x
    x = 407,242,699,176.53/1,055,865.51
  6. Step 6: Final answer
    x = 385,695.62

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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.