Home / 746,169.16-1,029,683.40-406,630.12

Finding the Fourth Proportional to 746,169.16, 1,029,683.40 and 406,630.12

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Solution

The fourth proportional to 746,169.16, 1,029,683.40 and 406,630.12 is: 561,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,169.16 : 1,029,683.40 = 406,630.12 : x
  2. Step 2: Convert to fraction form
    746,169.16/1,029,683.40 = 406,630.12/x
  3. Step 3: Cross multiply
    746,169.16x = 1,029,683.40 × 406,630.12
  4. Step 4: Simplify right side
    746,169.16x = 418,700,284,504.01
  5. Step 5: Solve for x
    x = 418,700,284,504.01/746,169.16
  6. Step 6: Final answer
    x = 561,133.19

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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.