Home / 434,567.40-652,142.70-197,788.20

Finding the Fourth Proportional to 434,567.40, 652,142.70 and 197,788.20

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Solution

The fourth proportional to 434,567.40, 652,142.70 and 197,788.20 is: 296,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,567.40 : 652,142.70 = 197,788.20 : x
  2. Step 2: Convert to fraction form
    434,567.40/652,142.70 = 197,788.20/x
  3. Step 3: Cross multiply
    434,567.40x = 652,142.70 × 197,788.20
  4. Step 4: Simplify right side
    434,567.40x = 128,986,130,776.14
  5. Step 5: Solve for x
    x = 128,986,130,776.14/434,567.40
  6. Step 6: Final answer
    x = 296,815.02

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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.