Home / 950,347.98-1,311,425.10-520,553.28

Finding the Fourth Proportional to 950,347.98, 1,311,425.10 and 520,553.28

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Solution

The fourth proportional to 950,347.98, 1,311,425.10 and 520,553.28 is: 718,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,347.98 : 1,311,425.10 = 520,553.28 : x
  2. Step 2: Convert to fraction form
    950,347.98/1,311,425.10 = 520,553.28/x
  3. Step 3: Cross multiply
    950,347.98x = 1,311,425.10 × 520,553.28
  4. Step 4: Simplify right side
    950,347.98x = 682,666,637,279.33
  5. Step 5: Solve for x
    x = 682,666,637,279.33/950,347.98
  6. Step 6: Final answer
    x = 718,333.34

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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.