Home / 1,139,619.90-1,710,633.05-1,113,888.61

Finding the Fourth Proportional to 1,139,619.90, 1,710,633.05 and 1,113,888.61

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Solution

The fourth proportional to 1,139,619.90, 1,710,633.05 and 1,113,888.61 is: 1,672,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,619.90 : 1,710,633.05 = 1,113,888.61 : x
  2. Step 2: Convert to fraction form
    1,139,619.90/1,710,633.05 = 1,113,888.61/x
  3. Step 3: Cross multiply
    1,139,619.90x = 1,710,633.05 × 1,113,888.61
  4. Step 4: Simplify right side
    1,139,619.90x = 1,905,454,656,161.95
  5. Step 5: Solve for x
    x = 1,905,454,656,161.95/1,139,619.90
  6. Step 6: Final answer
    x = 1,672,008.94

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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.