Home / 807,683.40-1,211,525.10-802,153.80

Finding the Fourth Proportional to 807,683.40, 1,211,525.10 and 802,153.80

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Solution

The fourth proportional to 807,683.40, 1,211,525.10 and 802,153.80 is: 1,203,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,683.40 : 1,211,525.10 = 802,153.80 : x
  2. Step 2: Convert to fraction form
    807,683.40/1,211,525.10 = 802,153.80/x
  3. Step 3: Cross multiply
    807,683.40x = 1,211,525.10 × 802,153.80
  4. Step 4: Simplify right side
    807,683.40x = 971,829,462,760.38
  5. Step 5: Solve for x
    x = 971,829,462,760.38/807,683.40
  6. Step 6: Final answer
    x = 1,203,230.70

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Double scale
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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.