Home / 1,717,823.60-2,576,735.40-1,213,938.80

Finding the Fourth Proportional to 1,717,823.60, 2,576,735.40 and 1,213,938.80

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Solution

The fourth proportional to 1,717,823.60, 2,576,735.40 and 1,213,938.80 is: 1,820,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,823.60 : 2,576,735.40 = 1,213,938.80 : x
  2. Step 2: Convert to fraction form
    1,717,823.60/2,576,735.40 = 1,213,938.80/x
  3. Step 3: Cross multiply
    1,717,823.60x = 2,576,735.40 × 1,213,938.80
  4. Step 4: Simplify right side
    1,717,823.60x = 3,127,999,079,393.52
  5. Step 5: Solve for x
    x = 3,127,999,079,393.52/1,717,823.60
  6. Step 6: Final answer
    x = 1,820,908.20

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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.