Home / 436,970.72-603,030.75-245,990.81

Finding the Fourth Proportional to 436,970.72, 603,030.75 and 245,990.81

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Solution

The fourth proportional to 436,970.72, 603,030.75 and 245,990.81 is: 339,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,970.72 : 603,030.75 = 245,990.81 : x
  2. Step 2: Convert to fraction form
    436,970.72/603,030.75 = 245,990.81/x
  3. Step 3: Cross multiply
    436,970.72x = 603,030.75 × 245,990.81
  4. Step 4: Simplify right side
    436,970.72x = 148,340,022,647.41
  5. Step 5: Solve for x
    x = 148,340,022,647.41/436,970.72
  6. Step 6: Final answer
    x = 339,473.60

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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.