Home / 893,340.96-1,232,809.59-485,441.83

Finding the Fourth Proportional to 893,340.96, 1,232,809.59 and 485,441.83

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Solution

The fourth proportional to 893,340.96, 1,232,809.59 and 485,441.83 is: 669,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,340.96 : 1,232,809.59 = 485,441.83 : x
  2. Step 2: Convert to fraction form
    893,340.96/1,232,809.59 = 485,441.83/x
  3. Step 3: Cross multiply
    893,340.96x = 1,232,809.59 × 485,441.83
  4. Step 4: Simplify right side
    893,340.96x = 598,457,336,861.51
  5. Step 5: Solve for x
    x = 598,457,336,861.51/893,340.96
  6. Step 6: Final answer
    x = 669,909.21

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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.