Home / 905,259.56-1,356,095.96-620,249.72

Finding the Fourth Proportional to 905,259.56, 1,356,095.96 and 620,249.72

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Solution

The fourth proportional to 905,259.56, 1,356,095.96 and 620,249.72 is: 929,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,259.56 : 1,356,095.96 = 620,249.72 : x
  2. Step 2: Convert to fraction form
    905,259.56/1,356,095.96 = 620,249.72/x
  3. Step 3: Cross multiply
    905,259.56x = 1,356,095.96 × 620,249.72
  4. Step 4: Simplify right side
    905,259.56x = 841,118,139,483.13
  5. Step 5: Solve for x
    x = 841,118,139,483.13/905,259.56
  6. Step 6: Final answer
    x = 929,145.82

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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.