Home / 523,949.63-723,050.48-285,485.63

Finding the Fourth Proportional to 523,949.63, 723,050.48 and 285,485.63

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Solution

The fourth proportional to 523,949.63, 723,050.48 and 285,485.63 is: 393,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,949.63 : 723,050.48 = 285,485.63 : x
  2. Step 2: Convert to fraction form
    523,949.63/723,050.48 = 285,485.63/x
  3. Step 3: Cross multiply
    523,949.63x = 723,050.48 × 285,485.63
  4. Step 4: Simplify right side
    523,949.63x = 206,420,518,903.06
  5. Step 5: Solve for x
    x = 206,420,518,903.06/523,949.63
  6. Step 6: Final answer
    x = 393,970.16

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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.