Home / 1,135,713.60-1,703,570.40-637,012.80

Finding the Fourth Proportional to 1,135,713.60, 1,703,570.40 and 637,012.80

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Solution

The fourth proportional to 1,135,713.60, 1,703,570.40 and 637,012.80 is: 955,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,713.60 : 1,703,570.40 = 637,012.80 : x
  2. Step 2: Convert to fraction form
    1,135,713.60/1,703,570.40 = 637,012.80/x
  3. Step 3: Cross multiply
    1,135,713.60x = 1,703,570.40 × 637,012.80
  4. Step 4: Simplify right side
    1,135,713.60x = 1,085,196,150,501.12
  5. Step 5: Solve for x
    x = 1,085,196,150,501.12/1,135,713.60
  6. Step 6: Final answer
    x = 955,519.20

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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.