Home / 1,159,903.80-1,739,855.70-401,743.80

Finding the Fourth Proportional to 1,159,903.80, 1,739,855.70 and 401,743.80

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Solution

The fourth proportional to 1,159,903.80, 1,739,855.70 and 401,743.80 is: 602,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,903.80 : 1,739,855.70 = 401,743.80 : x
  2. Step 2: Convert to fraction form
    1,159,903.80/1,739,855.70 = 401,743.80/x
  3. Step 3: Cross multiply
    1,159,903.80x = 1,739,855.70 × 401,743.80
  4. Step 4: Simplify right side
    1,159,903.80x = 698,976,240,369.66
  5. Step 5: Solve for x
    x = 698,976,240,369.66/1,159,903.80
  6. Step 6: Final answer
    x = 602,615.70

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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.