Home / 691,738.17-1,036,896.47-265,158.35

Finding the Fourth Proportional to 691,738.17, 1,036,896.47 and 265,158.35

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Solution

The fourth proportional to 691,738.17, 1,036,896.47 and 265,158.35 is: 397,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,738.17 : 1,036,896.47 = 265,158.35 : x
  2. Step 2: Convert to fraction form
    691,738.17/1,036,896.47 = 265,158.35/x
  3. Step 3: Cross multiply
    691,738.17x = 1,036,896.47 × 265,158.35
  4. Step 4: Simplify right side
    691,738.17x = 274,941,757,106.02
  5. Step 5: Solve for x
    x = 274,941,757,106.02/691,738.17
  6. Step 6: Final answer
    x = 397,465.07

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1.5x scale

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.