Home / 1,313,051.40-1,969,292.79-353,483.28

Finding the Fourth Proportional to 1,313,051.40, 1,969,292.79 and 353,483.28

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Solution

The fourth proportional to 1,313,051.40, 1,969,292.79 and 353,483.28 is: 530,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,051.40 : 1,969,292.79 = 353,483.28 : x
  2. Step 2: Convert to fraction form
    1,313,051.40/1,969,292.79 = 353,483.28/x
  3. Step 3: Cross multiply
    1,313,051.40x = 1,969,292.79 × 353,483.28
  4. Step 4: Simplify right side
    1,313,051.40x = 696,112,074,689.55
  5. Step 5: Solve for x
    x = 696,112,074,689.55/1,313,051.40
  6. Step 6: Final answer
    x = 530,148.38

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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.