Home / 1,428,333.63-2,140,994.13-468,538.61

Finding the Fourth Proportional to 1,428,333.63, 2,140,994.13 and 468,538.61

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Solution

The fourth proportional to 1,428,333.63, 2,140,994.13 and 468,538.61 is: 702,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,333.63 : 2,140,994.13 = 468,538.61 : x
  2. Step 2: Convert to fraction form
    1,428,333.63/2,140,994.13 = 468,538.61/x
  3. Step 3: Cross multiply
    1,428,333.63x = 2,140,994.13 × 468,538.61
  4. Step 4: Simplify right side
    1,428,333.63x = 1,003,138,415,445.38
  5. Step 5: Solve for x
    x = 1,003,138,415,445.38/1,428,333.63
  6. Step 6: Final answer
    x = 702,313.80

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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.