Home / 841,719.60-1,262,579.40-210,632.40

Finding the Fourth Proportional to 841,719.60, 1,262,579.40 and 210,632.40

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Solution

The fourth proportional to 841,719.60, 1,262,579.40 and 210,632.40 is: 315,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,719.60 : 1,262,579.40 = 210,632.40 : x
  2. Step 2: Convert to fraction form
    841,719.60/1,262,579.40 = 210,632.40/x
  3. Step 3: Cross multiply
    841,719.60x = 1,262,579.40 × 210,632.40
  4. Step 4: Simplify right side
    841,719.60x = 265,940,129,212.56
  5. Step 5: Solve for x
    x = 265,940,129,212.56/841,719.60
  6. Step 6: Final answer
    x = 315,948.60

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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.