Home / 980,423.15-1,470,216.76-373,107.83

Finding the Fourth Proportional to 980,423.15, 1,470,216.76 and 373,107.83

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Solution

The fourth proportional to 980,423.15, 1,470,216.76 and 373,107.83 is: 559,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,423.15 : 1,470,216.76 = 373,107.83 : x
  2. Step 2: Convert to fraction form
    980,423.15/1,470,216.76 = 373,107.83/x
  3. Step 3: Cross multiply
    980,423.15x = 1,470,216.76 × 373,107.83
  4. Step 4: Simplify right side
    980,423.15x = 548,549,376,669.38
  5. Step 5: Solve for x
    x = 548,549,376,669.38/980,423.15
  6. Step 6: Final answer
    x = 559,502.68

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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.