Home / 448,986.40-619,604.64-245,038.96

Finding the Fourth Proportional to 448,986.40, 619,604.64 and 245,038.96

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Solution

The fourth proportional to 448,986.40, 619,604.64 and 245,038.96 is: 338,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,986.40 : 619,604.64 = 245,038.96 : x
  2. Step 2: Convert to fraction form
    448,986.40/619,604.64 = 245,038.96/x
  3. Step 3: Cross multiply
    448,986.40x = 619,604.64 × 245,038.96
  4. Step 4: Simplify right side
    448,986.40x = 151,827,276,596.77
  5. Step 5: Solve for x
    x = 151,827,276,596.77/448,986.40
  6. Step 6: Final answer
    x = 338,155.62

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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.