Home / 1,359,903.80-2,039,855.70-651,315.80

Finding the Fourth Proportional to 1,359,903.80, 2,039,855.70 and 651,315.80

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Solution

The fourth proportional to 1,359,903.80, 2,039,855.70 and 651,315.80 is: 976,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,903.80 : 2,039,855.70 = 651,315.80 : x
  2. Step 2: Convert to fraction form
    1,359,903.80/2,039,855.70 = 651,315.80/x
  3. Step 3: Cross multiply
    1,359,903.80x = 2,039,855.70 × 651,315.80
  4. Step 4: Simplify right side
    1,359,903.80x = 1,328,590,247,130.06
  5. Step 5: Solve for x
    x = 1,328,590,247,130.06/1,359,903.80
  6. Step 6: Final answer
    x = 976,973.70

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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.