Home / 1,055,866.51-1,583,768.76-257,136.45

Finding the Fourth Proportional to 1,055,866.51, 1,583,768.76 and 257,136.45

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Solution

The fourth proportional to 1,055,866.51, 1,583,768.76 and 257,136.45 is: 385,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,866.51 : 1,583,768.76 = 257,136.45 : x
  2. Step 2: Convert to fraction form
    1,055,866.51/1,583,768.76 = 257,136.45/x
  3. Step 3: Cross multiply
    1,055,866.51x = 1,583,768.76 × 257,136.45
  4. Step 4: Simplify right side
    1,055,866.51x = 407,244,676,567.30
  5. Step 5: Solve for x
    x = 407,244,676,567.30/1,055,866.51
  6. Step 6: Final answer
    x = 385,697.12

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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.