Home / 705,328.26-973,344.22-383,040.64

Finding the Fourth Proportional to 705,328.26, 973,344.22 and 383,040.64

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Solution

The fourth proportional to 705,328.26, 973,344.22 and 383,040.64 is: 528,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,328.26 : 973,344.22 = 383,040.64 : x
  2. Step 2: Convert to fraction form
    705,328.26/973,344.22 = 383,040.64/x
  3. Step 3: Cross multiply
    705,328.26x = 973,344.22 × 383,040.64
  4. Step 4: Simplify right side
    705,328.26x = 372,830,392,969.10
  5. Step 5: Solve for x
    x = 372,830,392,969.10/705,328.26
  6. Step 6: Final answer
    x = 528,591.32

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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.