Home / 668,986.90-1,003,488.55-195,681.83

Finding the Fourth Proportional to 668,986.90, 1,003,488.55 and 195,681.83

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Solution

The fourth proportional to 668,986.90, 1,003,488.55 and 195,681.83 is: 293,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,986.90 : 1,003,488.55 = 195,681.83 : x
  2. Step 2: Convert to fraction form
    668,986.90/1,003,488.55 = 195,681.83/x
  3. Step 3: Cross multiply
    668,986.90x = 1,003,488.55 × 195,681.83
  4. Step 4: Simplify right side
    668,986.90x = 196,364,470,341.40
  5. Step 5: Solve for x
    x = 196,364,470,341.40/668,986.90
  6. Step 6: Final answer
    x = 293,525.14

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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.