Home / 857,367.19-1,183,057.97-470,080.69

Finding the Fourth Proportional to 857,367.19, 1,183,057.97 and 470,080.69

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Solution

The fourth proportional to 857,367.19, 1,183,057.97 and 470,080.69 is: 648,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,367.19 : 1,183,057.97 = 470,080.69 : x
  2. Step 2: Convert to fraction form
    857,367.19/1,183,057.97 = 470,080.69/x
  3. Step 3: Cross multiply
    857,367.19x = 1,183,057.97 × 470,080.69
  4. Step 4: Simplify right side
    857,367.19x = 556,132,698,581.91
  5. Step 5: Solve for x
    x = 556,132,698,581.91/857,367.19
  6. Step 6: Final answer
    x = 648,651.72

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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.