Home / 913,803.06-1,370,260.51-458,198.56

Finding the Fourth Proportional to 913,803.06, 1,370,260.51 and 458,198.56

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Solution

The fourth proportional to 913,803.06, 1,370,260.51 and 458,198.56 is: 687,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,803.06 : 1,370,260.51 = 458,198.56 : x
  2. Step 2: Convert to fraction form
    913,803.06/1,370,260.51 = 458,198.56/x
  3. Step 3: Cross multiply
    913,803.06x = 1,370,260.51 × 458,198.56
  4. Step 4: Simplify right side
    913,803.06x = 627,851,392,506.87
  5. Step 5: Solve for x
    x = 627,851,392,506.87/913,803.06
  6. Step 6: Final answer
    x = 687,075.17

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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.