Home / 943,354.71-1,415,253.48-312,268.50

Finding the Fourth Proportional to 943,354.71, 1,415,253.48 and 312,268.50

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Solution

The fourth proportional to 943,354.71, 1,415,253.48 and 312,268.50 is: 468,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,354.71 : 1,415,253.48 = 312,268.50 : x
  2. Step 2: Convert to fraction form
    943,354.71/1,415,253.48 = 312,268.50/x
  3. Step 3: Cross multiply
    943,354.71x = 1,415,253.48 × 312,268.50
  4. Step 4: Simplify right side
    943,354.71x = 441,939,081,319.38
  5. Step 5: Solve for x
    x = 441,939,081,319.38/943,354.71
  6. Step 6: Final answer
    x = 468,476.04

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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.