Home / 545,894.34-819,095.14-208,823.57

Finding the Fourth Proportional to 545,894.34, 819,095.14 and 208,823.57

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Solution

The fourth proportional to 545,894.34, 819,095.14 and 208,823.57 is: 313,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,894.34 : 819,095.14 = 208,823.57 : x
  2. Step 2: Convert to fraction form
    545,894.34/819,095.14 = 208,823.57/x
  3. Step 3: Cross multiply
    545,894.34x = 819,095.14 × 208,823.57
  4. Step 4: Simplify right side
    545,894.34x = 171,046,373,613.22
  5. Step 5: Solve for x
    x = 171,046,373,613.22/545,894.34
  6. Step 6: Final answer
    x = 313,332.38

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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.