Home / 1,887,905.20-2,831,857.80-558,209.20

Finding the Fourth Proportional to 1,887,905.20, 2,831,857.80 and 558,209.20

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Solution

The fourth proportional to 1,887,905.20, 2,831,857.80 and 558,209.20 is: 837,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,905.20 : 2,831,857.80 = 558,209.20 : x
  2. Step 2: Convert to fraction form
    1,887,905.20/2,831,857.80 = 558,209.20/x
  3. Step 3: Cross multiply
    1,887,905.20x = 2,831,857.80 × 558,209.20
  4. Step 4: Simplify right side
    1,887,905.20x = 1,580,769,077,051.76
  5. Step 5: Solve for x
    x = 1,580,769,077,051.76/1,887,905.20
  6. Step 6: Final answer
    x = 837,313.80

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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.