Home / 805,792.08-1,111,915.84-443,210.16

Finding the Fourth Proportional to 805,792.08, 1,111,915.84 and 443,210.16

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Solution

The fourth proportional to 805,792.08, 1,111,915.84 and 443,210.16 is: 611,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,792.08 : 1,111,915.84 = 443,210.16 : x
  2. Step 2: Convert to fraction form
    805,792.08/1,111,915.84 = 443,210.16/x
  3. Step 3: Cross multiply
    805,792.08x = 1,111,915.84 × 443,210.16
  4. Step 4: Simplify right side
    805,792.08x = 492,812,397,352.93
  5. Step 5: Solve for x
    x = 492,812,397,352.93/805,792.08
  6. Step 6: Final answer
    x = 611,587.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.