Home / 1,556,468.52-2,147,959.40-877,405

Finding the Fourth Proportional to 1,556,468.52, 2,147,959.40 and 877,405

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Solution

The fourth proportional to 1,556,468.52, 2,147,959.40 and 877,405 is: 1,210,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,468.52 : 2,147,959.40 = 877,405 : x
  2. Step 2: Convert to fraction form
    1,556,468.52/2,147,959.40 = 877,405/x
  3. Step 3: Cross multiply
    1,556,468.52x = 2,147,959.40 × 877,405
  4. Step 4: Simplify right side
    1,556,468.52x = 1,884,630,317,357
  5. Step 5: Solve for x
    x = 1,884,630,317,357/1,556,468.52
  6. Step 6: Final answer
    x = 1,210,837.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.