Home / 885,828.49-1,222,442.99-483,420.49

Finding the Fourth Proportional to 885,828.49, 1,222,442.99 and 483,420.49

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Solution

The fourth proportional to 885,828.49, 1,222,442.99 and 483,420.49 is: 667,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,828.49 : 1,222,442.99 = 483,420.49 : x
  2. Step 2: Convert to fraction form
    885,828.49/1,222,442.99 = 483,420.49/x
  3. Step 3: Cross multiply
    885,828.49x = 1,222,442.99 × 483,420.49
  4. Step 4: Simplify right side
    885,828.49x = 590,953,985,562.48
  5. Step 5: Solve for x
    x = 590,953,985,562.48/885,828.49
  6. Step 6: Final answer
    x = 667,120.10

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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.