Home / 1,425,136.54-1,966,829.77-813,381.94

Finding the Fourth Proportional to 1,425,136.54, 1,966,829.77 and 813,381.94

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Solution

The fourth proportional to 1,425,136.54, 1,966,829.77 and 813,381.94 is: 1,122,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,136.54 : 1,966,829.77 = 813,381.94 : x
  2. Step 2: Convert to fraction form
    1,425,136.54/1,966,829.77 = 813,381.94/x
  3. Step 3: Cross multiply
    1,425,136.54x = 1,966,829.77 × 813,381.94
  4. Step 4: Simplify right side
    1,425,136.54x = 1,599,783,808,671.84
  5. Step 5: Solve for x
    x = 1,599,783,808,671.84/1,425,136.54
  6. Step 6: Final answer
    x = 1,122,547.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.