Home / 1,127,255.42-1,555,606.77-611,007.23

Finding the Fourth Proportional to 1,127,255.42, 1,555,606.77 and 611,007.23

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Solution

The fourth proportional to 1,127,255.42, 1,555,606.77 and 611,007.23 is: 843,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,255.42 : 1,555,606.77 = 611,007.23 : x
  2. Step 2: Convert to fraction form
    1,127,255.42/1,555,606.77 = 611,007.23/x
  3. Step 3: Cross multiply
    1,127,255.42x = 1,555,606.77 × 611,007.23
  4. Step 4: Simplify right side
    1,127,255.42x = 950,486,975,728.91
  5. Step 5: Solve for x
    x = 950,486,975,728.91/1,127,255.42
  6. Step 6: Final answer
    x = 843,186.88

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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.