Home / 1,113,038.07-1,669,844.91-651,805.55

Finding the Fourth Proportional to 1,113,038.07, 1,669,844.91 and 651,805.55

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Solution

The fourth proportional to 1,113,038.07, 1,669,844.91 and 651,805.55 is: 977,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,038.07 : 1,669,844.91 = 651,805.55 : x
  2. Step 2: Convert to fraction form
    1,113,038.07/1,669,844.91 = 651,805.55/x
  3. Step 3: Cross multiply
    1,113,038.07x = 1,669,844.91 × 651,805.55
  4. Step 4: Simplify right side
    1,113,038.07x = 1,088,414,171,628.03
  5. Step 5: Solve for x
    x = 1,088,414,171,628.03/1,113,038.07
  6. Step 6: Final answer
    x = 977,876.86

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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.