Home / 912,993.52-1,259,989.37-510,585.52

Finding the Fourth Proportional to 912,993.52, 1,259,989.37 and 510,585.52

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Solution

The fourth proportional to 912,993.52, 1,259,989.37 and 510,585.52 is: 704,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,993.52 : 1,259,989.37 = 510,585.52 : x
  2. Step 2: Convert to fraction form
    912,993.52/1,259,989.37 = 510,585.52/x
  3. Step 3: Cross multiply
    912,993.52x = 1,259,989.37 × 510,585.52
  4. Step 4: Simplify right side
    912,993.52x = 643,332,325,802.41
  5. Step 5: Solve for x
    x = 643,332,325,802.41/912,993.52
  6. Step 6: Final answer
    x = 704,640.63

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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.