Home / 725,027.40-1,087,541.10-620,051.40

Finding the Fourth Proportional to 725,027.40, 1,087,541.10 and 620,051.40

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Solution

The fourth proportional to 725,027.40, 1,087,541.10 and 620,051.40 is: 930,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,027.40 : 1,087,541.10 = 620,051.40 : x
  2. Step 2: Convert to fraction form
    725,027.40/1,087,541.10 = 620,051.40/x
  3. Step 3: Cross multiply
    725,027.40x = 1,087,541.10 × 620,051.40
  4. Step 4: Simplify right side
    725,027.40x = 674,331,381,612.54
  5. Step 5: Solve for x
    x = 674,331,381,612.54/725,027.40
  6. Step 6: Final answer
    x = 930,077.10

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Double scale
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Similar ratio
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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.