Home / 857,497.42-1,183,367.27-470,328.73

Finding the Fourth Proportional to 857,497.42, 1,183,367.27 and 470,328.73

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Solution

The fourth proportional to 857,497.42, 1,183,367.27 and 470,328.73 is: 649,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,497.42 : 1,183,367.27 = 470,328.73 : x
  2. Step 2: Convert to fraction form
    857,497.42/1,183,367.27 = 470,328.73/x
  3. Step 3: Cross multiply
    857,497.42x = 1,183,367.27 × 470,328.73
  4. Step 4: Simplify right side
    857,497.42x = 556,571,623,440.07
  5. Step 5: Solve for x
    x = 556,571,623,440.07/857,497.42
  6. Step 6: Final answer
    x = 649,065.07

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Double scale
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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.