Home / 759,308.44-1,047,867.66-419,798.68

Finding the Fourth Proportional to 759,308.44, 1,047,867.66 and 419,798.68

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Solution

The fourth proportional to 759,308.44, 1,047,867.66 and 419,798.68 is: 579,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,308.44 : 1,047,867.66 = 419,798.68 : x
  2. Step 2: Convert to fraction form
    759,308.44/1,047,867.66 = 419,798.68/x
  3. Step 3: Cross multiply
    759,308.44x = 1,047,867.66 × 419,798.68
  4. Step 4: Simplify right side
    759,308.44x = 439,893,460,482.69
  5. Step 5: Solve for x
    x = 439,893,460,482.69/759,308.44
  6. Step 6: Final answer
    x = 579,334.35

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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.