Home / 1,313,281.44-1,969,774.47-353,807.96

Finding the Fourth Proportional to 1,313,281.44, 1,969,774.47 and 353,807.96

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Solution

The fourth proportional to 1,313,281.44, 1,969,774.47 and 353,807.96 is: 530,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,281.44 : 1,969,774.47 = 353,807.96 : x
  2. Step 2: Convert to fraction form
    1,313,281.44/1,969,774.47 = 353,807.96/x
  3. Step 3: Cross multiply
    1,313,281.44x = 1,969,774.47 × 353,807.96
  4. Step 4: Simplify right side
    1,313,281.44x = 696,921,877,041.91
  5. Step 5: Solve for x
    x = 696,921,877,041.91/1,313,281.44
  6. Step 6: Final answer
    x = 530,672.14

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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.