Home / 745,584.48-1,028,935.71-423,324.59

Finding the Fourth Proportional to 745,584.48, 1,028,935.71 and 423,324.59

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Solution

The fourth proportional to 745,584.48, 1,028,935.71 and 423,324.59 is: 584,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,584.48 : 1,028,935.71 = 423,324.59 : x
  2. Step 2: Convert to fraction form
    745,584.48/1,028,935.71 = 423,324.59/x
  3. Step 3: Cross multiply
    745,584.48x = 1,028,935.71 × 423,324.59
  4. Step 4: Simplify right side
    745,584.48x = 435,573,782,427.43
  5. Step 5: Solve for x
    x = 435,573,782,427.43/745,584.48
  6. Step 6: Final answer
    x = 584,204.47

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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.