Home / 1,133,214.40-1,563,832.98-623,916.78

Finding the Fourth Proportional to 1,133,214.40, 1,563,832.98 and 623,916.78

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Solution

The fourth proportional to 1,133,214.40, 1,563,832.98 and 623,916.78 is: 861,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,214.40 : 1,563,832.98 = 623,916.78 : x
  2. Step 2: Convert to fraction form
    1,133,214.40/1,563,832.98 = 623,916.78/x
  3. Step 3: Cross multiply
    1,133,214.40x = 1,563,832.98 × 623,916.78
  4. Step 4: Simplify right side
    1,133,214.40x = 975,701,631,475.03
  5. Step 5: Solve for x
    x = 975,701,631,475.03/1,133,214.40
  6. Step 6: Final answer
    x = 861,003.56

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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.