Home / 648,101.45-894,130.55-405,962.48

Finding the Fourth Proportional to 648,101.45, 894,130.55 and 405,962.48

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Solution

The fourth proportional to 648,101.45, 894,130.55 and 405,962.48 is: 560,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,101.45 : 894,130.55 = 405,962.48 : x
  2. Step 2: Convert to fraction form
    648,101.45/894,130.55 = 405,962.48/x
  3. Step 3: Cross multiply
    648,101.45x = 894,130.55 × 405,962.48
  4. Step 4: Simplify right side
    648,101.45x = 362,983,459,533.18
  5. Step 5: Solve for x
    x = 362,983,459,533.18/648,101.45
  6. Step 6: Final answer
    x = 560,071.97

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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.