Home / 1,170,914-1,615,840.16-661,605.44

Finding the Fourth Proportional to 1,170,914, 1,615,840.16 and 661,605.44

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Solution

The fourth proportional to 1,170,914, 1,615,840.16 and 661,605.44 is: 913,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,914 : 1,615,840.16 = 661,605.44 : x
  2. Step 2: Convert to fraction form
    1,170,914/1,615,840.16 = 661,605.44/x
  3. Step 3: Cross multiply
    1,170,914x = 1,615,840.16 × 661,605.44
  4. Step 4: Simplify right side
    1,170,914x = 1,069,048,640,026.47
  5. Step 5: Solve for x
    x = 1,069,048,640,026.47/1,170,914
  6. Step 6: Final answer
    x = 913,003.55

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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.