Home / 738,098.92-1,018,365.78-415,696.24

Finding the Fourth Proportional to 738,098.92, 1,018,365.78 and 415,696.24

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Solution

The fourth proportional to 738,098.92, 1,018,365.78 and 415,696.24 is: 573,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,098.92 : 1,018,365.78 = 415,696.24 : x
  2. Step 2: Convert to fraction form
    738,098.92/1,018,365.78 = 415,696.24/x
  3. Step 3: Cross multiply
    738,098.92x = 1,018,365.78 × 415,696.24
  4. Step 4: Simplify right side
    738,098.92x = 423,330,825,690.67
  5. Step 5: Solve for x
    x = 423,330,825,690.67/738,098.92
  6. Step 6: Final answer
    x = 573,542.13

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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.