Home / 624,583.93-936,735.73-287,300.65

Finding the Fourth Proportional to 624,583.93, 936,735.73 and 287,300.65

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Solution

The fourth proportional to 624,583.93, 936,735.73 and 287,300.65 is: 430,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,583.93 : 936,735.73 = 287,300.65 : x
  2. Step 2: Convert to fraction form
    624,583.93/936,735.73 = 287,300.65/x
  3. Step 3: Cross multiply
    624,583.93x = 936,735.73 × 287,300.65
  4. Step 4: Simplify right side
    624,583.93x = 269,124,784,107.23
  5. Step 5: Solve for x
    x = 269,124,784,107.23/624,583.93
  6. Step 6: Final answer
    x = 430,886.50

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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.