Home / 975,379.09-1,462,920.81-265,462.45

Finding the Fourth Proportional to 975,379.09, 1,462,920.81 and 265,462.45

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Solution

The fourth proportional to 975,379.09, 1,462,920.81 and 265,462.45 is: 398,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,379.09 : 1,462,920.81 = 265,462.45 : x
  2. Step 2: Convert to fraction form
    975,379.09/1,462,920.81 = 265,462.45/x
  3. Step 3: Cross multiply
    975,379.09x = 1,462,920.81 × 265,462.45
  4. Step 4: Simplify right side
    975,379.09x = 388,350,542,378.59
  5. Step 5: Solve for x
    x = 388,350,542,378.59/975,379.09
  6. Step 6: Final answer
    x = 398,153.44

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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.