Home / 1,624,488.04-2,436,812.70-426,413.80

Finding the Fourth Proportional to 1,624,488.04, 2,436,812.70 and 426,413.80

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Solution

The fourth proportional to 1,624,488.04, 2,436,812.70 and 426,413.80 is: 639,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,488.04 : 2,436,812.70 = 426,413.80 : x
  2. Step 2: Convert to fraction form
    1,624,488.04/2,436,812.70 = 426,413.80/x
  3. Step 3: Cross multiply
    1,624,488.04x = 2,436,812.70 × 426,413.80
  4. Step 4: Simplify right side
    1,624,488.04x = 1,039,090,563,295.26
  5. Step 5: Solve for x
    x = 1,039,090,563,295.26/1,624,488.04
  6. Step 6: Final answer
    x = 639,641.87

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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.