Home / 983,720.08-1,357,538.34-554,007.52

Finding the Fourth Proportional to 983,720.08, 1,357,538.34 and 554,007.52

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Solution

The fourth proportional to 983,720.08, 1,357,538.34 and 554,007.52 is: 764,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,720.08 : 1,357,538.34 = 554,007.52 : x
  2. Step 2: Convert to fraction form
    983,720.08/1,357,538.34 = 554,007.52/x
  3. Step 3: Cross multiply
    983,720.08x = 1,357,538.34 × 554,007.52
  4. Step 4: Simplify right side
    983,720.08x = 752,086,449,048.32
  5. Step 5: Solve for x
    x = 752,086,449,048.32/983,720.08
  6. Step 6: Final answer
    x = 764,532.98

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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.