Home / 931,334.16-1,396,962.30-266,486.16

Finding the Fourth Proportional to 931,334.16, 1,396,962.30 and 266,486.16

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Solution

The fourth proportional to 931,334.16, 1,396,962.30 and 266,486.16 is: 399,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,334.16 : 1,396,962.30 = 266,486.16 : x
  2. Step 2: Convert to fraction form
    931,334.16/1,396,962.30 = 266,486.16/x
  3. Step 3: Cross multiply
    931,334.16x = 1,396,962.30 × 266,486.16
  4. Step 4: Simplify right side
    931,334.16x = 372,271,118,991.77
  5. Step 5: Solve for x
    x = 372,271,118,991.77/931,334.16
  6. Step 6: Final answer
    x = 399,718.10

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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.