Home / 909,713.52-1,364,884.80-311,095.92

Finding the Fourth Proportional to 909,713.52, 1,364,884.80 and 311,095.92

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Solution

The fourth proportional to 909,713.52, 1,364,884.80 and 311,095.92 is: 466,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,713.52 : 1,364,884.80 = 311,095.92 : x
  2. Step 2: Convert to fraction form
    909,713.52/1,364,884.80 = 311,095.92/x
  3. Step 3: Cross multiply
    909,713.52x = 1,364,884.80 × 311,095.92
  4. Step 4: Simplify right side
    909,713.52x = 424,610,092,550.02
  5. Step 5: Solve for x
    x = 424,610,092,550.02/909,713.52
  6. Step 6: Final answer
    x = 466,751.44

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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.