Home / 623,896.96-860,581.44-409,051.04

Finding the Fourth Proportional to 623,896.96, 860,581.44 and 409,051.04

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Solution

The fourth proportional to 623,896.96, 860,581.44 and 409,051.04 is: 564,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,896.96 : 860,581.44 = 409,051.04 : x
  2. Step 2: Convert to fraction form
    623,896.96/860,581.44 = 409,051.04/x
  3. Step 3: Cross multiply
    623,896.96x = 860,581.44 × 409,051.04
  4. Step 4: Simplify right side
    623,896.96x = 352,021,733,036.70
  5. Step 5: Solve for x
    x = 352,021,733,036.70/623,896.96
  6. Step 6: Final answer
    x = 564,230.56

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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.