Home / 434,681.20-652,021.80-293,676.40

Finding the Fourth Proportional to 434,681.20, 652,021.80 and 293,676.40

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Solution

The fourth proportional to 434,681.20, 652,021.80 and 293,676.40 is: 440,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,681.20 : 652,021.80 = 293,676.40 : x
  2. Step 2: Convert to fraction form
    434,681.20/652,021.80 = 293,676.40/x
  3. Step 3: Cross multiply
    434,681.20x = 652,021.80 × 293,676.40
  4. Step 4: Simplify right side
    434,681.20x = 191,483,414,945.52
  5. Step 5: Solve for x
    x = 191,483,414,945.52/434,681.20
  6. Step 6: Final answer
    x = 440,514.60

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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.