Home / 1,173,477.65-1,619,121.42-664,180.02

Finding the Fourth Proportional to 1,173,477.65, 1,619,121.42 and 664,180.02

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Solution

The fourth proportional to 1,173,477.65, 1,619,121.42 and 664,180.02 is: 916,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,477.65 : 1,619,121.42 = 664,180.02 : x
  2. Step 2: Convert to fraction form
    1,173,477.65/1,619,121.42 = 664,180.02/x
  3. Step 3: Cross multiply
    1,173,477.65x = 1,619,121.42 × 664,180.02
  4. Step 4: Simplify right side
    1,173,477.65x = 1,075,388,097,118.03
  5. Step 5: Solve for x
    x = 1,075,388,097,118.03/1,173,477.65
  6. Step 6: Final answer
    x = 916,411.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.