Home / 950,053.20-1,311,024.30-520,250.40

Finding the Fourth Proportional to 950,053.20, 1,311,024.30 and 520,250.40

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Solution

The fourth proportional to 950,053.20, 1,311,024.30 and 520,250.40 is: 717,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,053.20 : 1,311,024.30 = 520,250.40 : x
  2. Step 2: Convert to fraction form
    950,053.20/1,311,024.30 = 520,250.40/x
  3. Step 3: Cross multiply
    950,053.20x = 1,311,024.30 × 520,250.40
  4. Step 4: Simplify right side
    950,053.20x = 682,060,916,484.72
  5. Step 5: Solve for x
    x = 682,060,916,484.72/950,053.20
  6. Step 6: Final answer
    x = 717,918.66

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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.