Home / 1,528,752.61-2,109,553.21-899,996.50

Finding the Fourth Proportional to 1,528,752.61, 2,109,553.21 and 899,996.50

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Solution

The fourth proportional to 1,528,752.61, 2,109,553.21 and 899,996.50 is: 1,241,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,752.61 : 2,109,553.21 = 899,996.50 : x
  2. Step 2: Convert to fraction form
    1,528,752.61/2,109,553.21 = 899,996.50/x
  3. Step 3: Cross multiply
    1,528,752.61x = 2,109,553.21 × 899,996.50
  4. Step 4: Simplify right side
    1,528,752.61x = 1,898,590,505,563.77
  5. Step 5: Solve for x
    x = 1,898,590,505,563.77/1,528,752.61
  6. Step 6: Final answer
    x = 1,241,921.35

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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.