Home / 847,620.60-1,169,710.80-460,432.50

Finding the Fourth Proportional to 847,620.60, 1,169,710.80 and 460,432.50

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Solution

The fourth proportional to 847,620.60, 1,169,710.80 and 460,432.50 is: 635,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,620.60 : 1,169,710.80 = 460,432.50 : x
  2. Step 2: Convert to fraction form
    847,620.60/1,169,710.80 = 460,432.50/x
  3. Step 3: Cross multiply
    847,620.60x = 1,169,710.80 × 460,432.50
  4. Step 4: Simplify right side
    847,620.60x = 538,572,867,921
  5. Step 5: Solve for x
    x = 538,572,867,921/847,620.60
  6. Step 6: Final answer
    x = 635,393.79

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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.