Home / 936,020.40-1,404,030.60-620,833.20

Finding the Fourth Proportional to 936,020.40, 1,404,030.60 and 620,833.20

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Solution

The fourth proportional to 936,020.40, 1,404,030.60 and 620,833.20 is: 931,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,020.40 : 1,404,030.60 = 620,833.20 : x
  2. Step 2: Convert to fraction form
    936,020.40/1,404,030.60 = 620,833.20/x
  3. Step 3: Cross multiply
    936,020.40x = 1,404,030.60 × 620,833.20
  4. Step 4: Simplify right side
    936,020.40x = 871,668,810,295.92
  5. Step 5: Solve for x
    x = 871,668,810,295.92/936,020.40
  6. Step 6: Final answer
    x = 931,249.80

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Similar ratio
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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.