Home / 4,200,323.50-6,300,485.25-1,208,507.50

Finding the Fourth Proportional to 4,200,323.50, 6,300,485.25 and 1,208,507.50

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Solution

The fourth proportional to 4,200,323.50, 6,300,485.25 and 1,208,507.50 is: 1,812,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,323.50 : 6,300,485.25 = 1,208,507.50 : x
  2. Step 2: Convert to fraction form
    4,200,323.50/6,300,485.25 = 1,208,507.50/x
  3. Step 3: Cross multiply
    4,200,323.50x = 6,300,485.25 × 1,208,507.50
  4. Step 4: Simplify right side
    4,200,323.50x = 7,614,183,678,264.38
  5. Step 5: Solve for x
    x = 7,614,183,678,264.38/4,200,323.50
  6. Step 6: Final answer
    x = 1,812,761.25

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1.5x scale

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.