Home / 738,074.24-1,018,537.76-415,888.10

Finding the Fourth Proportional to 738,074.24, 1,018,537.76 and 415,888.10

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Solution

The fourth proportional to 738,074.24, 1,018,537.76 and 415,888.10 is: 573,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,074.24 : 1,018,537.76 = 415,888.10 : x
  2. Step 2: Convert to fraction form
    738,074.24/1,018,537.76 = 415,888.10/x
  3. Step 3: Cross multiply
    738,074.24x = 1,018,537.76 × 415,888.10
  4. Step 4: Simplify right side
    738,074.24x = 423,597,729,731.69
  5. Step 5: Solve for x
    x = 423,597,729,731.69/738,074.24
  6. Step 6: Final answer
    x = 573,922.93

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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.