Home / 936,245-1,292,051.34-528,446.12

Finding the Fourth Proportional to 936,245, 1,292,051.34 and 528,446.12

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Solution

The fourth proportional to 936,245, 1,292,051.34 and 528,446.12 is: 729,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,245 : 1,292,051.34 = 528,446.12 : x
  2. Step 2: Convert to fraction form
    936,245/1,292,051.34 = 528,446.12/x
  3. Step 3: Cross multiply
    936,245x = 1,292,051.34 × 528,446.12
  4. Step 4: Simplify right side
    936,245x = 682,779,517,463.80
  5. Step 5: Solve for x
    x = 682,779,517,463.80/936,245
  6. Step 6: Final answer
    x = 729,274.41

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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.