Home / 841,166.80-1,261,750.20-776,212.90

Finding the Fourth Proportional to 841,166.80, 1,261,750.20 and 776,212.90

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Solution

The fourth proportional to 841,166.80, 1,261,750.20 and 776,212.90 is: 1,164,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,166.80 : 1,261,750.20 = 776,212.90 : x
  2. Step 2: Convert to fraction form
    841,166.80/1,261,750.20 = 776,212.90/x
  3. Step 3: Cross multiply
    841,166.80x = 1,261,750.20 × 776,212.90
  4. Step 4: Simplify right side
    841,166.80x = 979,386,781,817.58
  5. Step 5: Solve for x
    x = 979,386,781,817.58/841,166.80
  6. Step 6: Final answer
    x = 1,164,319.35

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1.5x scale

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.