Home / 1,454,347.67-2,005,123.75-1,191,726.50

Finding the Fourth Proportional to 1,454,347.67, 2,005,123.75 and 1,191,726.50

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Solution

The fourth proportional to 1,454,347.67, 2,005,123.75 and 1,191,726.50 is: 1,643,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,347.67 : 2,005,123.75 = 1,191,726.50 : x
  2. Step 2: Convert to fraction form
    1,454,347.67/2,005,123.75 = 1,191,726.50/x
  3. Step 3: Cross multiply
    1,454,347.67x = 2,005,123.75 × 1,191,726.50
  4. Step 4: Simplify right side
    1,454,347.67x = 2,389,559,095,649.44
  5. Step 5: Solve for x
    x = 2,389,559,095,649.44/1,454,347.67
  6. Step 6: Final answer
    x = 1,643,045.30

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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.