Home / 879,127.52-1,212,849.11-552,248.48

Finding the Fourth Proportional to 879,127.52, 1,212,849.11 and 552,248.48

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Solution

The fourth proportional to 879,127.52, 1,212,849.11 and 552,248.48 is: 761,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,127.52 : 1,212,849.11 = 552,248.48 : x
  2. Step 2: Convert to fraction form
    879,127.52/1,212,849.11 = 552,248.48/x
  3. Step 3: Cross multiply
    879,127.52x = 1,212,849.11 × 552,248.48
  4. Step 4: Simplify right side
    879,127.52x = 669,794,081,879.60
  5. Step 5: Solve for x
    x = 669,794,081,879.60/879,127.52
  6. Step 6: Final answer
    x = 761,885.02

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1.5x scale

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.