Home / 1,955,414.80-2,930,983.80-692,592.40

Finding the Fourth Proportional to 1,955,414.80, 2,930,983.80 and 692,592.40

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Solution

The fourth proportional to 1,955,414.80, 2,930,983.80 and 692,592.40 is: 1,038,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,414.80 : 2,930,983.80 = 692,592.40 : x
  2. Step 2: Convert to fraction form
    1,955,414.80/2,930,983.80 = 692,592.40/x
  3. Step 3: Cross multiply
    1,955,414.80x = 2,930,983.80 × 692,592.40
  4. Step 4: Simplify right side
    1,955,414.80x = 2,029,977,104,403.12
  5. Step 5: Solve for x
    x = 2,029,977,104,403.12/1,955,414.80
  6. Step 6: Final answer
    x = 1,038,131.20

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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.