Home / 480,582.86-720,308.40-196,095.87

Finding the Fourth Proportional to 480,582.86, 720,308.40 and 196,095.87

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Solution

The fourth proportional to 480,582.86, 720,308.40 and 196,095.87 is: 293,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,582.86 : 720,308.40 = 196,095.87 : x
  2. Step 2: Convert to fraction form
    480,582.86/720,308.40 = 196,095.87/x
  3. Step 3: Cross multiply
    480,582.86x = 720,308.40 × 196,095.87
  4. Step 4: Simplify right side
    480,582.86x = 141,249,501,630.95
  5. Step 5: Solve for x
    x = 141,249,501,630.95/480,582.86
  6. Step 6: Final answer
    x = 293,912.90

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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.