Home / 1,321,312.37-1,981,980.23-522,594

Finding the Fourth Proportional to 1,321,312.37, 1,981,980.23 and 522,594

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Solution

The fourth proportional to 1,321,312.37, 1,981,980.23 and 522,594 is: 783,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,312.37 : 1,981,980.23 = 522,594 : x
  2. Step 2: Convert to fraction form
    1,321,312.37/1,981,980.23 = 522,594/x
  3. Step 3: Cross multiply
    1,321,312.37x = 1,981,980.23 × 522,594
  4. Step 4: Simplify right side
    1,321,312.37x = 1,035,770,973,703.65
  5. Step 5: Solve for x
    x = 1,035,770,973,703.65/1,321,312.37
  6. Step 6: Final answer
    x = 783,895.62

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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.