Home / 983,979.24-1,357,710.96-554,167.32

Finding the Fourth Proportional to 983,979.24, 1,357,710.96 and 554,167.32

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Solution

The fourth proportional to 983,979.24, 1,357,710.96 and 554,167.32 is: 764,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,979.24 : 1,357,710.96 = 554,167.32 : x
  2. Step 2: Convert to fraction form
    983,979.24/1,357,710.96 = 554,167.32/x
  3. Step 3: Cross multiply
    983,979.24x = 1,357,710.96 × 554,167.32
  4. Step 4: Simplify right side
    983,979.24x = 752,399,044,037.83
  5. Step 5: Solve for x
    x = 752,399,044,037.83/983,979.24
  6. Step 6: Final answer
    x = 764,649.31

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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.