Home / 668,782.74-1,003,189.53-163,347.93

Finding the Fourth Proportional to 668,782.74, 1,003,189.53 and 163,347.93

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Solution

The fourth proportional to 668,782.74, 1,003,189.53 and 163,347.93 is: 245,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,782.74 : 1,003,189.53 = 163,347.93 : x
  2. Step 2: Convert to fraction form
    668,782.74/1,003,189.53 = 163,347.93/x
  3. Step 3: Cross multiply
    668,782.74x = 1,003,189.53 × 163,347.93
  4. Step 4: Simplify right side
    668,782.74x = 163,868,933,123.17
  5. Step 5: Solve for x
    x = 163,868,933,123.17/668,782.74
  6. Step 6: Final answer
    x = 245,025.66

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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.