Home / 738,195.06-1,018,636.32-415,962.48

Finding the Fourth Proportional to 738,195.06, 1,018,636.32 and 415,962.48

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Solution

The fourth proportional to 738,195.06, 1,018,636.32 and 415,962.48 is: 573,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,195.06 : 1,018,636.32 = 415,962.48 : x
  2. Step 2: Convert to fraction form
    738,195.06/1,018,636.32 = 415,962.48/x
  3. Step 3: Cross multiply
    738,195.06x = 1,018,636.32 × 415,962.48
  4. Step 4: Simplify right side
    738,195.06x = 423,714,489,885.27
  5. Step 5: Solve for x
    x = 423,714,489,885.27/738,195.06
  6. Step 6: Final answer
    x = 573,987.17

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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.