Home / 1,205,398.48-1,808,097.86-939,358.32

Finding the Fourth Proportional to 1,205,398.48, 1,808,097.86 and 939,358.32

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Solution

The fourth proportional to 1,205,398.48, 1,808,097.86 and 939,358.32 is: 1,409,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,398.48 : 1,808,097.86 = 939,358.32 : x
  2. Step 2: Convert to fraction form
    1,205,398.48/1,808,097.86 = 939,358.32/x
  3. Step 3: Cross multiply
    1,205,398.48x = 1,808,097.86 × 939,358.32
  4. Step 4: Simplify right side
    1,205,398.48x = 1,698,451,768,165.20
  5. Step 5: Solve for x
    x = 1,698,451,768,165.20/1,205,398.48
  6. Step 6: Final answer
    x = 1,409,037.59

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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.