Home / 983,789.51-1,357,594.09-554,109.62

Finding the Fourth Proportional to 983,789.51, 1,357,594.09 and 554,109.62

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Solution

The fourth proportional to 983,789.51, 1,357,594.09 and 554,109.62 is: 764,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,789.51 : 1,357,594.09 = 554,109.62 : x
  2. Step 2: Convert to fraction form
    983,789.51/1,357,594.09 = 554,109.62/x
  3. Step 3: Cross multiply
    983,789.51x = 1,357,594.09 × 554,109.62
  4. Step 4: Simplify right side
    983,789.51x = 752,255,937,150.90
  5. Step 5: Solve for x
    x = 752,255,937,150.90/983,789.51
  6. Step 6: Final answer
    x = 764,651.31

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1.5x scale

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.