Home / 841,735.33-1,263,106.07-309,310.18

Finding the Fourth Proportional to 841,735.33, 1,263,106.07 and 309,310.18

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Solution

The fourth proportional to 841,735.33, 1,263,106.07 and 309,310.18 is: 464,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,735.33 : 1,263,106.07 = 309,310.18 : x
  2. Step 2: Convert to fraction form
    841,735.33/1,263,106.07 = 309,310.18/x
  3. Step 3: Cross multiply
    841,735.33x = 1,263,106.07 × 309,310.18
  4. Step 4: Simplify right side
    841,735.33x = 390,691,565,870.79
  5. Step 5: Solve for x
    x = 390,691,565,870.79/841,735.33
  6. Step 6: Final answer
    x = 464,150.13

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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.