Home / 369,440.64-509,826.88-199,674.24

Finding the Fourth Proportional to 369,440.64, 509,826.88 and 199,674.24

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Solution

The fourth proportional to 369,440.64, 509,826.88 and 199,674.24 is: 275,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,440.64 : 509,826.88 = 199,674.24 : x
  2. Step 2: Convert to fraction form
    369,440.64/509,826.88 = 199,674.24/x
  3. Step 3: Cross multiply
    369,440.64x = 509,826.88 × 199,674.24
  4. Step 4: Simplify right side
    369,440.64x = 101,799,294,795.57
  5. Step 5: Solve for x
    x = 101,799,294,795.57/369,440.64
  6. Step 6: Final answer
    x = 275,549.80

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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.