Home / 738,112.42-1,018,598.25-415,826.38

Finding the Fourth Proportional to 738,112.42, 1,018,598.25 and 415,826.38

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Solution

The fourth proportional to 738,112.42, 1,018,598.25 and 415,826.38 is: 573,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,112.42 : 1,018,598.25 = 415,826.38 : x
  2. Step 2: Convert to fraction form
    738,112.42/1,018,598.25 = 415,826.38/x
  3. Step 3: Cross multiply
    738,112.42x = 1,018,598.25 × 415,826.38
  4. Step 4: Simplify right side
    738,112.42x = 423,560,022,971.84
  5. Step 5: Solve for x
    x = 423,560,022,971.84/738,112.42
  6. Step 6: Final answer
    x = 573,842.16

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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.