Home / 1,715,638.32-2,571,661.76-578,007.41

Finding the Fourth Proportional to 1,715,638.32, 2,571,661.76 and 578,007.41

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Solution

The fourth proportional to 1,715,638.32, 2,571,661.76 and 578,007.41 is: 866,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,638.32 : 2,571,661.76 = 578,007.41 : x
  2. Step 2: Convert to fraction form
    1,715,638.32/2,571,661.76 = 578,007.41/x
  3. Step 3: Cross multiply
    1,715,638.32x = 2,571,661.76 × 578,007.41
  4. Step 4: Simplify right side
    1,715,638.32x = 1,486,439,537,545.30
  5. Step 5: Solve for x
    x = 1,486,439,537,545.30/1,715,638.32
  6. Step 6: Final answer
    x = 866,406.12

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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.