Home / 833,385.60-1,149,989.76-465,793.92

Finding the Fourth Proportional to 833,385.60, 1,149,989.76 and 465,793.92

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Solution

The fourth proportional to 833,385.60, 1,149,989.76 and 465,793.92 is: 642,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,385.60 : 1,149,989.76 = 465,793.92 : x
  2. Step 2: Convert to fraction form
    833,385.60/1,149,989.76 = 465,793.92/x
  3. Step 3: Cross multiply
    833,385.60x = 1,149,989.76 × 465,793.92
  4. Step 4: Simplify right side
    833,385.60x = 535,658,238,270.26
  5. Step 5: Solve for x
    x = 535,658,238,270.26/833,385.60
  6. Step 6: Final answer
    x = 642,749.57

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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.