Home / 535,584.48-738,434.09-392,095.41

Finding the Fourth Proportional to 535,584.48, 738,434.09 and 392,095.41

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Solution

The fourth proportional to 535,584.48, 738,434.09 and 392,095.41 is: 540,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,584.48 : 738,434.09 = 392,095.41 : x
  2. Step 2: Convert to fraction form
    535,584.48/738,434.09 = 392,095.41/x
  3. Step 3: Cross multiply
    535,584.48x = 738,434.09 × 392,095.41
  4. Step 4: Simplify right side
    535,584.48x = 289,536,615,316.05
  5. Step 5: Solve for x
    x = 289,536,615,316.05/535,584.48
  6. Step 6: Final answer
    x = 540,599.34

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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.