Home / 613,299.02-919,554.86-402,690.92

Finding the Fourth Proportional to 613,299.02, 919,554.86 and 402,690.92

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Solution

The fourth proportional to 613,299.02, 919,554.86 and 402,690.92 is: 603,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,299.02 : 919,554.86 = 402,690.92 : x
  2. Step 2: Convert to fraction form
    613,299.02/919,554.86 = 402,690.92/x
  3. Step 3: Cross multiply
    613,299.02x = 919,554.86 × 402,690.92
  4. Step 4: Simplify right side
    613,299.02x = 370,296,388,972.82
  5. Step 5: Solve for x
    x = 370,296,388,972.82/613,299.02
  6. Step 6: Final answer
    x = 603,777.90

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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.