Home / 1,127,479.41-1,690,825.14-528,722.55

Finding the Fourth Proportional to 1,127,479.41, 1,690,825.14 and 528,722.55

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Solution

The fourth proportional to 1,127,479.41, 1,690,825.14 and 528,722.55 is: 792,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,479.41 : 1,690,825.14 = 528,722.55 : x
  2. Step 2: Convert to fraction form
    1,127,479.41/1,690,825.14 = 528,722.55/x
  3. Step 3: Cross multiply
    1,127,479.41x = 1,690,825.14 × 528,722.55
  4. Step 4: Simplify right side
    1,127,479.41x = 893,977,379,624.91
  5. Step 5: Solve for x
    x = 893,977,379,624.91/1,127,479.41
  6. Step 6: Final answer
    x = 792,899.07

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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.