Home / 1,280,230.81-1,920,862.61-569,772.94

Finding the Fourth Proportional to 1,280,230.81, 1,920,862.61 and 569,772.94

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Solution

The fourth proportional to 1,280,230.81, 1,920,862.61 and 569,772.94 is: 854,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,230.81 : 1,920,862.61 = 569,772.94 : x
  2. Step 2: Convert to fraction form
    1,280,230.81/1,920,862.61 = 569,772.94/x
  3. Step 3: Cross multiply
    1,280,230.81x = 1,920,862.61 × 569,772.94
  4. Step 4: Simplify right side
    1,280,230.81x = 1,094,455,536,635.77
  5. Step 5: Solve for x
    x = 1,094,455,536,635.77/1,280,230.81
  6. Step 6: Final answer
    x = 854,889.23

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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.