Home / 751,864.88-1,038,947.10-547,560.20

Finding the Fourth Proportional to 751,864.88, 1,038,947.10 and 547,560.20

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Solution

The fourth proportional to 751,864.88, 1,038,947.10 and 547,560.20 is: 756,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,864.88 : 1,038,947.10 = 547,560.20 : x
  2. Step 2: Convert to fraction form
    751,864.88/1,038,947.10 = 547,560.20/x
  3. Step 3: Cross multiply
    751,864.88x = 1,038,947.10 × 547,560.20
  4. Step 4: Simplify right side
    751,864.88x = 568,886,081,865.42
  5. Step 5: Solve for x
    x = 568,886,081,865.42/751,864.88
  6. Step 6: Final answer
    x = 756,633.40

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Double scale
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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.