Home / 738,751.78-1,019,416.35-416,541.07

Finding the Fourth Proportional to 738,751.78, 1,019,416.35 and 416,541.07

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Solution

The fourth proportional to 738,751.78, 1,019,416.35 and 416,541.07 is: 574,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,751.78 : 1,019,416.35 = 416,541.07 : x
  2. Step 2: Convert to fraction form
    738,751.78/1,019,416.35 = 416,541.07/x
  3. Step 3: Cross multiply
    738,751.78x = 1,019,416.35 × 416,541.07
  4. Step 4: Simplify right side
    738,751.78x = 424,628,777,204.50
  5. Step 5: Solve for x
    x = 424,628,777,204.50/738,751.78
  6. Step 6: Final answer
    x = 574,792.22

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1.5x scale

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.