Home / 1,685,308.26-2,325,724.98-921,361.83

Finding the Fourth Proportional to 1,685,308.26, 2,325,724.98 and 921,361.83

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Solution

The fourth proportional to 1,685,308.26, 2,325,724.98 and 921,361.83 is: 1,271,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,308.26 : 2,325,724.98 = 921,361.83 : x
  2. Step 2: Convert to fraction form
    1,685,308.26/2,325,724.98 = 921,361.83/x
  3. Step 3: Cross multiply
    1,685,308.26x = 2,325,724.98 × 921,361.83
  4. Step 4: Simplify right side
    1,685,308.26x = 2,142,834,223,649.51
  5. Step 5: Solve for x
    x = 2,142,834,223,649.51/1,685,308.26
  6. Step 6: Final answer
    x = 1,271,479.10

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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.