Home / 859,498.66-1,186,145.06-477,525.45

Finding the Fourth Proportional to 859,498.66, 1,186,145.06 and 477,525.45

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Solution

The fourth proportional to 859,498.66, 1,186,145.06 and 477,525.45 is: 659,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,498.66 : 1,186,145.06 = 477,525.45 : x
  2. Step 2: Convert to fraction form
    859,498.66/1,186,145.06 = 477,525.45/x
  3. Step 3: Cross multiply
    859,498.66x = 1,186,145.06 × 477,525.45
  4. Step 4: Simplify right side
    859,498.66x = 566,414,453,541.78
  5. Step 5: Solve for x
    x = 566,414,453,541.78/859,498.66
  6. Step 6: Final answer
    x = 659,005.63

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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.