Home / 834,220.80-1,151,222.40-452,246.40

Finding the Fourth Proportional to 834,220.80, 1,151,222.40 and 452,246.40

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Solution

The fourth proportional to 834,220.80, 1,151,222.40 and 452,246.40 is: 624,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,220.80 : 1,151,222.40 = 452,246.40 : x
  2. Step 2: Convert to fraction form
    834,220.80/1,151,222.40 = 452,246.40/x
  3. Step 3: Cross multiply
    834,220.80x = 1,151,222.40 × 452,246.40
  4. Step 4: Simplify right side
    834,220.80x = 520,636,185,999.36
  5. Step 5: Solve for x
    x = 520,636,185,999.36/834,220.80
  6. Step 6: Final answer
    x = 624,098.78

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Double scale
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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.