Home / 1,280,228.06-1,920,858.47-569,770.18

Finding the Fourth Proportional to 1,280,228.06, 1,920,858.47 and 569,770.18

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Solution

The fourth proportional to 1,280,228.06, 1,920,858.47 and 569,770.18 is: 854,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,228.06 : 1,920,858.47 = 569,770.18 : x
  2. Step 2: Convert to fraction form
    1,280,228.06/1,920,858.47 = 569,770.18/x
  3. Step 3: Cross multiply
    1,280,228.06x = 1,920,858.47 × 569,770.18
  4. Step 4: Simplify right side
    1,280,228.06x = 1,094,447,876,206.42
  5. Step 5: Solve for x
    x = 1,094,447,876,206.42/1,280,228.06
  6. Step 6: Final answer
    x = 854,885.09

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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.