Home / 738,098.92-1,018,579.62-415,812.88

Finding the Fourth Proportional to 738,098.92, 1,018,579.62 and 415,812.88

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Solution

The fourth proportional to 738,098.92, 1,018,579.62 and 415,812.88 is: 573,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,098.92 : 1,018,579.62 = 415,812.88 : x
  2. Step 2: Convert to fraction form
    738,098.92/1,018,579.62 = 415,812.88/x
  3. Step 3: Cross multiply
    738,098.92x = 1,018,579.62 × 415,812.88
  4. Step 4: Simplify right side
    738,098.92x = 423,538,525,301.51
  5. Step 5: Solve for x
    x = 423,538,525,301.51/738,098.92
  6. Step 6: Final answer
    x = 573,823.53

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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.