Home / 1,215,188.55-1,822,826.57-456,960.51

Finding the Fourth Proportional to 1,215,188.55, 1,822,826.57 and 456,960.51

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Solution

The fourth proportional to 1,215,188.55, 1,822,826.57 and 456,960.51 is: 685,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,188.55 : 1,822,826.57 = 456,960.51 : x
  2. Step 2: Convert to fraction form
    1,215,188.55/1,822,826.57 = 456,960.51/x
  3. Step 3: Cross multiply
    1,215,188.55x = 1,822,826.57 × 456,960.51
  4. Step 4: Simplify right side
    1,215,188.55x = 832,959,756,783.95
  5. Step 5: Solve for x
    x = 832,959,756,783.95/1,215,188.55
  6. Step 6: Final answer
    x = 685,457.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.