Home / 753,262.81-1,039,516.35-409,098.67

Finding the Fourth Proportional to 753,262.81, 1,039,516.35 and 409,098.67

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Solution

The fourth proportional to 753,262.81, 1,039,516.35 and 409,098.67 is: 564,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,262.81 : 1,039,516.35 = 409,098.67 : x
  2. Step 2: Convert to fraction form
    753,262.81/1,039,516.35 = 409,098.67/x
  3. Step 3: Cross multiply
    753,262.81x = 1,039,516.35 × 409,098.67
  4. Step 4: Simplify right side
    753,262.81x = 425,264,756,228.25
  5. Step 5: Solve for x
    x = 425,264,756,228.25/753,262.81
  6. Step 6: Final answer
    x = 564,563.59

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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.