Home / 1,170,415.30-1,615,272.57-661,211.14

Finding the Fourth Proportional to 1,170,415.30, 1,615,272.57 and 661,211.14

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Solution

The fourth proportional to 1,170,415.30, 1,615,272.57 and 661,211.14 is: 912,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,415.30 : 1,615,272.57 = 661,211.14 : x
  2. Step 2: Convert to fraction form
    1,170,415.30/1,615,272.57 = 661,211.14/x
  3. Step 3: Cross multiply
    1,170,415.30x = 1,615,272.57 × 661,211.14
  4. Step 4: Simplify right side
    1,170,415.30x = 1,068,036,217,420.43
  5. Step 5: Solve for x
    x = 1,068,036,217,420.43/1,170,415.30
  6. Step 6: Final answer
    x = 912,527.56

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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.