Home / 1,670,945.28-2,506,466.52-408,772.50

Finding the Fourth Proportional to 1,670,945.28, 2,506,466.52 and 408,772.50

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Solution

The fourth proportional to 1,670,945.28, 2,506,466.52 and 408,772.50 is: 613,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,945.28 : 2,506,466.52 = 408,772.50 : x
  2. Step 2: Convert to fraction form
    1,670,945.28/2,506,466.52 = 408,772.50/x
  3. Step 3: Cross multiply
    1,670,945.28x = 2,506,466.52 × 408,772.50
  4. Step 4: Simplify right side
    1,670,945.28x = 1,024,574,585,546.70
  5. Step 5: Solve for x
    x = 1,024,574,585,546.70/1,670,945.28
  6. Step 6: Final answer
    x = 613,170.64

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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.