Home / 1,328,661.53-1,989,995.90-617,192.36

Finding the Fourth Proportional to 1,328,661.53, 1,989,995.90 and 617,192.36

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Solution

The fourth proportional to 1,328,661.53, 1,989,995.90 and 617,192.36 is: 924,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,661.53 : 1,989,995.90 = 617,192.36 : x
  2. Step 2: Convert to fraction form
    1,328,661.53/1,989,995.90 = 617,192.36/x
  3. Step 3: Cross multiply
    1,328,661.53x = 1,989,995.90 × 617,192.36
  4. Step 4: Simplify right side
    1,328,661.53x = 1,228,210,263,809.57
  5. Step 5: Solve for x
    x = 1,228,210,263,809.57/1,328,661.53
  6. Step 6: Final answer
    x = 924,396.65

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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.