Home / 867,915.67-1,301,242.95-362,621.15

Finding the Fourth Proportional to 867,915.67, 1,301,242.95 and 362,621.15

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Solution

The fourth proportional to 867,915.67, 1,301,242.95 and 362,621.15 is: 543,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,915.67 : 1,301,242.95 = 362,621.15 : x
  2. Step 2: Convert to fraction form
    867,915.67/1,301,242.95 = 362,621.15/x
  3. Step 3: Cross multiply
    867,915.67x = 1,301,242.95 × 362,621.15
  4. Step 4: Simplify right side
    867,915.67x = 471,858,213,331.84
  5. Step 5: Solve for x
    x = 471,858,213,331.84/867,915.67
  6. Step 6: Final answer
    x = 543,668.27

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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.