Home / 1,113,959.52-1,670,971.68-272,511

Finding the Fourth Proportional to 1,113,959.52, 1,670,971.68 and 272,511

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Solution

The fourth proportional to 1,113,959.52, 1,670,971.68 and 272,511 is: 408,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,959.52 : 1,670,971.68 = 272,511 : x
  2. Step 2: Convert to fraction form
    1,113,959.52/1,670,971.68 = 272,511/x
  3. Step 3: Cross multiply
    1,113,959.52x = 1,670,971.68 × 272,511
  4. Step 4: Simplify right side
    1,113,959.52x = 455,358,163,488.48
  5. Step 5: Solve for x
    x = 455,358,163,488.48/1,113,959.52
  6. Step 6: Final answer
    x = 408,774.43

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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.