Home / 841,586.64-1,262,544.60-309,111.68

Finding the Fourth Proportional to 841,586.64, 1,262,544.60 and 309,111.68

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Solution

The fourth proportional to 841,586.64, 1,262,544.60 and 309,111.68 is: 463,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,586.64 : 1,262,544.60 = 309,111.68 : x
  2. Step 2: Convert to fraction form
    841,586.64/1,262,544.60 = 309,111.68/x
  3. Step 3: Cross multiply
    841,586.64x = 1,262,544.60 × 309,111.68
  4. Step 4: Simplify right side
    841,586.64x = 390,267,282,380.93
  5. Step 5: Solve for x
    x = 390,267,282,380.93/841,586.64
  6. Step 6: Final answer
    x = 463,727.99

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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.