Home / 1,171,064.76-1,616,027.40-661,756.20

Finding the Fourth Proportional to 1,171,064.76, 1,616,027.40 and 661,756.20

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Solution

The fourth proportional to 1,171,064.76, 1,616,027.40 and 661,756.20 is: 913,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,064.76 : 1,616,027.40 = 661,756.20 : x
  2. Step 2: Convert to fraction form
    1,171,064.76/1,616,027.40 = 661,756.20/x
  3. Step 3: Cross multiply
    1,171,064.76x = 1,616,027.40 × 661,756.20
  4. Step 4: Simplify right side
    1,171,064.76x = 1,069,416,151,319.88
  5. Step 5: Solve for x
    x = 1,069,416,151,319.88/1,171,064.76
  6. Step 6: Final answer
    x = 913,199.84

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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.