Home / 1,415,440.43-1,953,363.08-803,650.11

Finding the Fourth Proportional to 1,415,440.43, 1,953,363.08 and 803,650.11

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Solution

The fourth proportional to 1,415,440.43, 1,953,363.08 and 803,650.11 is: 1,109,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,440.43 : 1,953,363.08 = 803,650.11 : x
  2. Step 2: Convert to fraction form
    1,415,440.43/1,953,363.08 = 803,650.11/x
  3. Step 3: Cross multiply
    1,415,440.43x = 1,953,363.08 × 803,650.11
  4. Step 4: Simplify right side
    1,415,440.43x = 1,569,820,450,093.69
  5. Step 5: Solve for x
    x = 1,569,820,450,093.69/1,415,440.43
  6. Step 6: Final answer
    x = 1,109,068.54

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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.