Home / 921,880.50-1,382,963.22-314,526.62

Finding the Fourth Proportional to 921,880.50, 1,382,963.22 and 314,526.62

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Solution

The fourth proportional to 921,880.50, 1,382,963.22 and 314,526.62 is: 471,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,880.50 : 1,382,963.22 = 314,526.62 : x
  2. Step 2: Convert to fraction form
    921,880.50/1,382,963.22 = 314,526.62/x
  3. Step 3: Cross multiply
    921,880.50x = 1,382,963.22 × 314,526.62
  4. Step 4: Simplify right side
    921,880.50x = 434,978,740,256.10
  5. Step 5: Solve for x
    x = 434,978,740,256.10/921,880.50
  6. Step 6: Final answer
    x = 471,838.53

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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.