Home / 926,555.60-1,389,833.40-570,414.80

Finding the Fourth Proportional to 926,555.60, 1,389,833.40 and 570,414.80

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Solution

The fourth proportional to 926,555.60, 1,389,833.40 and 570,414.80 is: 855,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,555.60 : 1,389,833.40 = 570,414.80 : x
  2. Step 2: Convert to fraction form
    926,555.60/1,389,833.40 = 570,414.80/x
  3. Step 3: Cross multiply
    926,555.60x = 1,389,833.40 × 570,414.80
  4. Step 4: Simplify right side
    926,555.60x = 792,781,540,894.32
  5. Step 5: Solve for x
    x = 792,781,540,894.32/926,555.60
  6. Step 6: Final answer
    x = 855,622.20

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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.