Home / 1,056,213.36-1,583,503.56-345,798

Finding the Fourth Proportional to 1,056,213.36, 1,583,503.56 and 345,798

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Solution

The fourth proportional to 1,056,213.36, 1,583,503.56 and 345,798 is: 518,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,213.36 : 1,583,503.56 = 345,798 : x
  2. Step 2: Convert to fraction form
    1,056,213.36/1,583,503.56 = 345,798/x
  3. Step 3: Cross multiply
    1,056,213.36x = 1,583,503.56 × 345,798
  4. Step 4: Simplify right side
    1,056,213.36x = 547,572,364,040.88
  5. Step 5: Solve for x
    x = 547,572,364,040.88/1,056,213.36
  6. Step 6: Final answer
    x = 518,429.69

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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.