Home / 605,543.04-906,763.68-505,454.40

Finding the Fourth Proportional to 605,543.04, 906,763.68 and 505,454.40

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Solution

The fourth proportional to 605,543.04, 906,763.68 and 505,454.40 is: 756,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,543.04 : 906,763.68 = 505,454.40 : x
  2. Step 2: Convert to fraction form
    605,543.04/906,763.68 = 505,454.40/x
  3. Step 3: Cross multiply
    605,543.04x = 906,763.68 × 505,454.40
  4. Step 4: Simplify right side
    605,543.04x = 458,327,691,816.19
  5. Step 5: Solve for x
    x = 458,327,691,816.19/605,543.04
  6. Step 6: Final answer
    x = 756,887.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.