Home / 1,834,208.20-2,750,328.15-768,045.70

Finding the Fourth Proportional to 1,834,208.20, 2,750,328.15 and 768,045.70

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Solution

The fourth proportional to 1,834,208.20, 2,750,328.15 and 768,045.70 is: 1,151,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,208.20 : 2,750,328.15 = 768,045.70 : x
  2. Step 2: Convert to fraction form
    1,834,208.20/2,750,328.15 = 768,045.70/x
  3. Step 3: Cross multiply
    1,834,208.20x = 2,750,328.15 × 768,045.70
  4. Step 4: Simplify right side
    1,834,208.20x = 2,112,377,709,196.45
  5. Step 5: Solve for x
    x = 2,112,377,709,196.45/1,834,208.20
  6. Step 6: Final answer
    x = 1,151,656.45

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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.