Home / 1,871,699.70-2,808,003.15-542,003.70

Finding the Fourth Proportional to 1,871,699.70, 2,808,003.15 and 542,003.70

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Solution

The fourth proportional to 1,871,699.70, 2,808,003.15 and 542,003.70 is: 813,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,699.70 : 2,808,003.15 = 542,003.70 : x
  2. Step 2: Convert to fraction form
    1,871,699.70/2,808,003.15 = 542,003.70/x
  3. Step 3: Cross multiply
    1,871,699.70x = 2,808,003.15 × 542,003.70
  4. Step 4: Simplify right side
    1,871,699.70x = 1,521,948,096,911.65
  5. Step 5: Solve for x
    x = 1,521,948,096,911.65/1,871,699.70
  6. Step 6: Final answer
    x = 813,136.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.