Home / 1,130,800.80-1,696,201.20-499,389.60

Finding the Fourth Proportional to 1,130,800.80, 1,696,201.20 and 499,389.60

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Solution

The fourth proportional to 1,130,800.80, 1,696,201.20 and 499,389.60 is: 749,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,800.80 : 1,696,201.20 = 499,389.60 : x
  2. Step 2: Convert to fraction form
    1,130,800.80/1,696,201.20 = 499,389.60/x
  3. Step 3: Cross multiply
    1,130,800.80x = 1,696,201.20 × 499,389.60
  4. Step 4: Simplify right side
    1,130,800.80x = 847,065,238,787.52
  5. Step 5: Solve for x
    x = 847,065,238,787.52/1,130,800.80
  6. Step 6: Final answer
    x = 749,084.40

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Double scale
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Similar ratio
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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.