Home / 1,175,052.88-1,621,569-665,852.32

Finding the Fourth Proportional to 1,175,052.88, 1,621,569 and 665,852.32

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Solution

The fourth proportional to 1,175,052.88, 1,621,569 and 665,852.32 is: 918,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,052.88 : 1,621,569 = 665,852.32 : x
  2. Step 2: Convert to fraction form
    1,175,052.88/1,621,569 = 665,852.32/x
  3. Step 3: Cross multiply
    1,175,052.88x = 1,621,569 × 665,852.32
  4. Step 4: Simplify right side
    1,175,052.88x = 1,079,725,480,690.08
  5. Step 5: Solve for x
    x = 1,079,725,480,690.08/1,175,052.88
  6. Step 6: Final answer
    x = 918,873.95

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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.