Home / 514,289.40-771,315.30-194,475.48

Finding the Fourth Proportional to 514,289.40, 771,315.30 and 194,475.48

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Solution

The fourth proportional to 514,289.40, 771,315.30 and 194,475.48 is: 291,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,289.40 : 771,315.30 = 194,475.48 : x
  2. Step 2: Convert to fraction form
    514,289.40/771,315.30 = 194,475.48/x
  3. Step 3: Cross multiply
    514,289.40x = 771,315.30 × 194,475.48
  4. Step 4: Simplify right side
    514,289.40x = 150,001,913,198.84
  5. Step 5: Solve for x
    x = 150,001,913,198.84/514,289.40
  6. Step 6: Final answer
    x = 291,668.30

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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.