Home / 1,971,725.60-2,958,112.40-623,912.16

Finding the Fourth Proportional to 1,971,725.60, 2,958,112.40 and 623,912.16

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Solution

The fourth proportional to 1,971,725.60, 2,958,112.40 and 623,912.16 is: 936,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,725.60 : 2,958,112.40 = 623,912.16 : x
  2. Step 2: Convert to fraction form
    1,971,725.60/2,958,112.40 = 623,912.16/x
  3. Step 3: Cross multiply
    1,971,725.60x = 2,958,112.40 × 623,912.16
  4. Step 4: Simplify right side
    1,971,725.60x = 1,845,602,297,006.78
  5. Step 5: Solve for x
    x = 1,845,602,297,006.78/1,971,725.60
  6. Step 6: Final answer
    x = 936,034.05

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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.