Home / 753,339.17-1,039,615.63-409,181.85

Finding the Fourth Proportional to 753,339.17, 1,039,615.63 and 409,181.85

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Solution

The fourth proportional to 753,339.17, 1,039,615.63 and 409,181.85 is: 564,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,339.17 : 1,039,615.63 = 409,181.85 : x
  2. Step 2: Convert to fraction form
    753,339.17/1,039,615.63 = 409,181.85/x
  3. Step 3: Cross multiply
    753,339.17x = 1,039,615.63 × 409,181.85
  4. Step 4: Simplify right side
    753,339.17x = 425,391,845,749.36
  5. Step 5: Solve for x
    x = 425,391,845,749.36/753,339.17
  6. Step 6: Final answer
    x = 564,675.06

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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.