Home / 1,235,594.40-1,853,218.80-394,231.20

Finding the Fourth Proportional to 1,235,594.40, 1,853,218.80 and 394,231.20

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Solution

The fourth proportional to 1,235,594.40, 1,853,218.80 and 394,231.20 is: 591,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,594.40 : 1,853,218.80 = 394,231.20 : x
  2. Step 2: Convert to fraction form
    1,235,594.40/1,853,218.80 = 394,231.20/x
  3. Step 3: Cross multiply
    1,235,594.40x = 1,853,218.80 × 394,231.20
  4. Step 4: Simplify right side
    1,235,594.40x = 730,596,671,386.56
  5. Step 5: Solve for x
    x = 730,596,671,386.56/1,235,594.40
  6. Step 6: Final answer
    x = 591,291.67

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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.