Home / 754,382.15-1,041,015.68-427,717.13

Finding the Fourth Proportional to 754,382.15, 1,041,015.68 and 427,717.13

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Solution

The fourth proportional to 754,382.15, 1,041,015.68 and 427,717.13 is: 590,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,382.15 : 1,041,015.68 = 427,717.13 : x
  2. Step 2: Convert to fraction form
    754,382.15/1,041,015.68 = 427,717.13/x
  3. Step 3: Cross multiply
    754,382.15x = 1,041,015.68 × 427,717.13
  4. Step 4: Simplify right side
    754,382.15x = 445,260,243,782.90
  5. Step 5: Solve for x
    x = 445,260,243,782.90/754,382.15
  6. Step 6: Final answer
    x = 590,231.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.