Home / 763,995.94-1,054,347.21-424,464.19

Finding the Fourth Proportional to 763,995.94, 1,054,347.21 and 424,464.19

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Solution

The fourth proportional to 763,995.94, 1,054,347.21 and 424,464.19 is: 585,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,995.94 : 1,054,347.21 = 424,464.19 : x
  2. Step 2: Convert to fraction form
    763,995.94/1,054,347.21 = 424,464.19/x
  3. Step 3: Cross multiply
    763,995.94x = 1,054,347.21 × 424,464.19
  4. Step 4: Simplify right side
    763,995.94x = 447,532,631,835.54
  5. Step 5: Solve for x
    x = 447,532,631,835.54/763,995.94
  6. Step 6: Final answer
    x = 585,778.81

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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.