Home / 448,588.62-619,038.41-255,017.45

Finding the Fourth Proportional to 448,588.62, 619,038.41 and 255,017.45

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Solution

The fourth proportional to 448,588.62, 619,038.41 and 255,017.45 is: 351,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,588.62 : 619,038.41 = 255,017.45 : x
  2. Step 2: Convert to fraction form
    448,588.62/619,038.41 = 255,017.45/x
  3. Step 3: Cross multiply
    448,588.62x = 619,038.41 × 255,017.45
  4. Step 4: Simplify right side
    448,588.62x = 157,865,596,770.26
  5. Step 5: Solve for x
    x = 157,865,596,770.26/448,588.62
  6. Step 6: Final answer
    x = 351,916.19

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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.