Home / 1,240,702.56-1,861,756.56-530,667.36

Finding the Fourth Proportional to 1,240,702.56, 1,861,756.56 and 530,667.36

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Solution

The fourth proportional to 1,240,702.56, 1,861,756.56 and 530,667.36 is: 796,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,702.56 : 1,861,756.56 = 530,667.36 : x
  2. Step 2: Convert to fraction form
    1,240,702.56/1,861,756.56 = 530,667.36/x
  3. Step 3: Cross multiply
    1,240,702.56x = 1,861,756.56 × 530,667.36
  4. Step 4: Simplify right side
    1,240,702.56x = 987,973,438,657.88
  5. Step 5: Solve for x
    x = 987,973,438,657.88/1,240,702.56
  6. Step 6: Final answer
    x = 796,301.60

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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.