Home / 837,436.16-1,256,130.72-268,812.80

Finding the Fourth Proportional to 837,436.16, 1,256,130.72 and 268,812.80

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Solution

The fourth proportional to 837,436.16, 1,256,130.72 and 268,812.80 is: 403,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,436.16 : 1,256,130.72 = 268,812.80 : x
  2. Step 2: Convert to fraction form
    837,436.16/1,256,130.72 = 268,812.80/x
  3. Step 3: Cross multiply
    837,436.16x = 1,256,130.72 × 268,812.80
  4. Step 4: Simplify right side
    837,436.16x = 337,664,016,009.22
  5. Step 5: Solve for x
    x = 337,664,016,009.22/837,436.16
  6. Step 6: Final answer
    x = 403,211.65

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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.