Home / 738,190.05-1,018,629.43-415,957.47

Finding the Fourth Proportional to 738,190.05, 1,018,629.43 and 415,957.47

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Solution

The fourth proportional to 738,190.05, 1,018,629.43 and 415,957.47 is: 573,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,190.05 : 1,018,629.43 = 415,957.47 : x
  2. Step 2: Convert to fraction form
    738,190.05/1,018,629.43 = 415,957.47/x
  3. Step 3: Cross multiply
    738,190.05x = 1,018,629.43 × 415,957.47
  4. Step 4: Simplify right side
    738,190.05x = 423,706,520,570.34
  5. Step 5: Solve for x
    x = 423,706,520,570.34/738,190.05
  6. Step 6: Final answer
    x = 573,980.27

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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.