Home / 708,487.56-1,062,381.42-308,955.06

Finding the Fourth Proportional to 708,487.56, 1,062,381.42 and 308,955.06

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Solution

The fourth proportional to 708,487.56, 1,062,381.42 and 308,955.06 is: 463,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,487.56 : 1,062,381.42 = 308,955.06 : x
  2. Step 2: Convert to fraction form
    708,487.56/1,062,381.42 = 308,955.06/x
  3. Step 3: Cross multiply
    708,487.56x = 1,062,381.42 × 308,955.06
  4. Step 4: Simplify right side
    708,487.56x = 328,228,115,358.99
  5. Step 5: Solve for x
    x = 328,228,115,358.99/708,487.56
  6. Step 6: Final answer
    x = 463,280.00

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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.