Home / 1,173,516.66-1,619,411.09-664,208.10

Finding the Fourth Proportional to 1,173,516.66, 1,619,411.09 and 664,208.10

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Solution

The fourth proportional to 1,173,516.66, 1,619,411.09 and 664,208.10 is: 916,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,516.66 : 1,619,411.09 = 664,208.10 : x
  2. Step 2: Convert to fraction form
    1,173,516.66/1,619,411.09 = 664,208.10/x
  3. Step 3: Cross multiply
    1,173,516.66x = 1,619,411.09 × 664,208.10
  4. Step 4: Simplify right side
    1,173,516.66x = 1,075,625,963,207.83
  5. Step 5: Solve for x
    x = 1,075,625,963,207.83/1,173,516.66
  6. Step 6: Final answer
    x = 916,583.46

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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.