Home / 448,115.10-670,228.65-401,070.30

Finding the Fourth Proportional to 448,115.10, 670,228.65 and 401,070.30

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Solution

The fourth proportional to 448,115.10, 670,228.65 and 401,070.30 is: 599,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,115.10 : 670,228.65 = 401,070.30 : x
  2. Step 2: Convert to fraction form
    448,115.10/670,228.65 = 401,070.30/x
  3. Step 3: Cross multiply
    448,115.10x = 670,228.65 × 401,070.30
  4. Step 4: Simplify right side
    448,115.10x = 268,808,805,724.10
  5. Step 5: Solve for x
    x = 268,808,805,724.10/448,115.10
  6. Step 6: Final answer
    x = 599,865.54

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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.