Home / 854,016.20-1,279,641.90-537,907.40

Finding the Fourth Proportional to 854,016.20, 1,279,641.90 and 537,907.40

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Solution

The fourth proportional to 854,016.20, 1,279,641.90 and 537,907.40 is: 805,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,016.20 : 1,279,641.90 = 537,907.40 : x
  2. Step 2: Convert to fraction form
    854,016.20/1,279,641.90 = 537,907.40/x
  3. Step 3: Cross multiply
    854,016.20x = 1,279,641.90 × 537,907.40
  4. Step 4: Simplify right side
    854,016.20x = 688,328,847,360.06
  5. Step 5: Solve for x
    x = 688,328,847,360.06/854,016.20
  6. Step 6: Final answer
    x = 805,990.39

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1.5x scale

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.