Home / 847,285.08-1,169,277.30-465,336.45

Finding the Fourth Proportional to 847,285.08, 1,169,277.30 and 465,336.45

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Solution

The fourth proportional to 847,285.08, 1,169,277.30 and 465,336.45 is: 642,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,285.08 : 1,169,277.30 = 465,336.45 : x
  2. Step 2: Convert to fraction form
    847,285.08/1,169,277.30 = 465,336.45/x
  3. Step 3: Cross multiply
    847,285.08x = 1,169,277.30 × 465,336.45
  4. Step 4: Simplify right side
    847,285.08x = 544,107,347,847.59
  5. Step 5: Solve for x
    x = 544,107,347,847.59/847,285.08
  6. Step 6: Final answer
    x = 642,177.42

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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.