Home / 936,136.80-1,404,205.20-926,805.60

Finding the Fourth Proportional to 936,136.80, 1,404,205.20 and 926,805.60

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Solution

The fourth proportional to 936,136.80, 1,404,205.20 and 926,805.60 is: 1,390,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,136.80 : 1,404,205.20 = 926,805.60 : x
  2. Step 2: Convert to fraction form
    936,136.80/1,404,205.20 = 926,805.60/x
  3. Step 3: Cross multiply
    936,136.80x = 1,404,205.20 × 926,805.60
  4. Step 4: Simplify right side
    936,136.80x = 1,301,425,242,909.12
  5. Step 5: Solve for x
    x = 1,301,425,242,909.12/936,136.80
  6. Step 6: Final answer
    x = 1,390,208.40

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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.