Home / 874,521.37-1,311,782.07-500,281.93

Finding the Fourth Proportional to 874,521.37, 1,311,782.07 and 500,281.93

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Solution

The fourth proportional to 874,521.37, 1,311,782.07 and 500,281.93 is: 750,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,521.37 : 1,311,782.07 = 500,281.93 : x
  2. Step 2: Convert to fraction form
    874,521.37/1,311,782.07 = 500,281.93/x
  3. Step 3: Cross multiply
    874,521.37x = 1,311,782.07 × 500,281.93
  4. Step 4: Simplify right side
    874,521.37x = 656,260,865,719.00
  5. Step 5: Solve for x
    x = 656,260,865,719.00/874,521.37
  6. Step 6: Final answer
    x = 750,422.90

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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.