Home / 480,424.34-720,666.24-160,605

Finding the Fourth Proportional to 480,424.34, 720,666.24 and 160,605

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Solution

The fourth proportional to 480,424.34, 720,666.24 and 160,605 is: 240,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,424.34 : 720,666.24 = 160,605 : x
  2. Step 2: Convert to fraction form
    480,424.34/720,666.24 = 160,605/x
  3. Step 3: Cross multiply
    480,424.34x = 720,666.24 × 160,605
  4. Step 4: Simplify right side
    480,424.34x = 115,742,601,475.20
  5. Step 5: Solve for x
    x = 115,742,601,475.20/480,424.34
  6. Step 6: Final answer
    x = 240,917.44

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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.