Home / 738,163.62-1,018,669.14-415,878.66

Finding the Fourth Proportional to 738,163.62, 1,018,669.14 and 415,878.66

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Solution

The fourth proportional to 738,163.62, 1,018,669.14 and 415,878.66 is: 573,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,163.62 : 1,018,669.14 = 415,878.66 : x
  2. Step 2: Convert to fraction form
    738,163.62/1,018,669.14 = 415,878.66/x
  3. Step 3: Cross multiply
    738,163.62x = 1,018,669.14 × 415,878.66
  4. Step 4: Simplify right side
    738,163.62x = 423,642,756,926.55
  5. Step 5: Solve for x
    x = 423,642,756,926.55/738,163.62
  6. Step 6: Final answer
    x = 573,914.44

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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.