Home / 641,403.04-884,551.44-550,730.56

Finding the Fourth Proportional to 641,403.04, 884,551.44 and 550,730.56

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Solution

The fourth proportional to 641,403.04, 884,551.44 and 550,730.56 is: 759,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,403.04 : 884,551.44 = 550,730.56 : x
  2. Step 2: Convert to fraction form
    641,403.04/884,551.44 = 550,730.56/x
  3. Step 3: Cross multiply
    641,403.04x = 884,551.44 × 550,730.56
  4. Step 4: Simplify right side
    641,403.04x = 487,149,509,900.01
  5. Step 5: Solve for x
    x = 487,149,509,900.01/641,403.04
  6. Step 6: Final answer
    x = 759,506.08

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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.