Home / 1,973,139.40-2,960,486.70-774,857.80

Finding the Fourth Proportional to 1,973,139.40, 2,960,486.70 and 774,857.80

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Solution

The fourth proportional to 1,973,139.40, 2,960,486.70 and 774,857.80 is: 1,162,592.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,139.40 : 2,960,486.70 = 774,857.80 : x
  2. Step 2: Convert to fraction form
    1,973,139.40/2,960,486.70 = 774,857.80/x
  3. Step 3: Cross multiply
    1,973,139.40x = 2,960,486.70 × 774,857.80
  4. Step 4: Simplify right side
    1,973,139.40x = 2,293,956,211,291.26
  5. Step 5: Solve for x
    x = 2,293,956,211,291.26/1,973,139.40
  6. Step 6: Final answer
    x = 1,162,592.07

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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.