Home / 926,556.60-1,389,834.90-570,415.80

Finding the Fourth Proportional to 926,556.60, 1,389,834.90 and 570,415.80

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Solution

The fourth proportional to 926,556.60, 1,389,834.90 and 570,415.80 is: 855,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,556.60 : 1,389,834.90 = 570,415.80 : x
  2. Step 2: Convert to fraction form
    926,556.60/1,389,834.90 = 570,415.80/x
  3. Step 3: Cross multiply
    926,556.60x = 1,389,834.90 × 570,415.80
  4. Step 4: Simplify right side
    926,556.60x = 792,783,786,351.42
  5. Step 5: Solve for x
    x = 792,783,786,351.42/926,556.60
  6. Step 6: Final answer
    x = 855,623.70

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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.