Home / 984,319.50-1,476,621.81-310,172.70

Finding the Fourth Proportional to 984,319.50, 1,476,621.81 and 310,172.70

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Solution

The fourth proportional to 984,319.50, 1,476,621.81 and 310,172.70 is: 465,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,319.50 : 1,476,621.81 = 310,172.70 : x
  2. Step 2: Convert to fraction form
    984,319.50/1,476,621.81 = 310,172.70/x
  3. Step 3: Cross multiply
    984,319.50x = 1,476,621.81 × 310,172.70
  4. Step 4: Simplify right side
    984,319.50x = 458,007,773,686.59
  5. Step 5: Solve for x
    x = 458,007,773,686.59/984,319.50
  6. Step 6: Final answer
    x = 465,303.97

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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.