Home / 751,405.52-1,127,281.08-245,982.80

Finding the Fourth Proportional to 751,405.52, 1,127,281.08 and 245,982.80

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Solution

The fourth proportional to 751,405.52, 1,127,281.08 and 245,982.80 is: 369,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,405.52 : 1,127,281.08 = 245,982.80 : x
  2. Step 2: Convert to fraction form
    751,405.52/1,127,281.08 = 245,982.80/x
  3. Step 3: Cross multiply
    751,405.52x = 1,127,281.08 × 245,982.80
  4. Step 4: Simplify right side
    751,405.52x = 277,291,756,445.42
  5. Step 5: Solve for x
    x = 277,291,756,445.42/751,405.52
  6. Step 6: Final answer
    x = 369,030.77

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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.