Home / 1,071,135.43-1,478,166.77-612,259.81

Finding the Fourth Proportional to 1,071,135.43, 1,478,166.77 and 612,259.81

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Solution

The fourth proportional to 1,071,135.43, 1,478,166.77 and 612,259.81 is: 844,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,135.43 : 1,478,166.77 = 612,259.81 : x
  2. Step 2: Convert to fraction form
    1,071,135.43/1,478,166.77 = 612,259.81/x
  3. Step 3: Cross multiply
    1,071,135.43x = 1,478,166.77 × 612,259.81
  4. Step 4: Simplify right side
    1,071,135.43x = 905,022,095,296.38
  5. Step 5: Solve for x
    x = 905,022,095,296.38/1,071,135.43
  6. Step 6: Final answer
    x = 844,918.46

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Double scale
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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.