Home / 1,357,543.31-1,873,300.52-784,620.59

Finding the Fourth Proportional to 1,357,543.31, 1,873,300.52 and 784,620.59

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Solution

The fourth proportional to 1,357,543.31, 1,873,300.52 and 784,620.59 is: 1,082,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,543.31 : 1,873,300.52 = 784,620.59 : x
  2. Step 2: Convert to fraction form
    1,357,543.31/1,873,300.52 = 784,620.59/x
  3. Step 3: Cross multiply
    1,357,543.31x = 1,873,300.52 × 784,620.59
  4. Step 4: Simplify right side
    1,357,543.31x = 1,469,830,155,326.60
  5. Step 5: Solve for x
    x = 1,469,830,155,326.60/1,357,543.31
  6. Step 6: Final answer
    x = 1,082,713.27

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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.