Home / 1,436,804.20-2,155,373.04-477,345.43

Finding the Fourth Proportional to 1,436,804.20, 2,155,373.04 and 477,345.43

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Solution

The fourth proportional to 1,436,804.20, 2,155,373.04 and 477,345.43 is: 716,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,804.20 : 2,155,373.04 = 477,345.43 : x
  2. Step 2: Convert to fraction form
    1,436,804.20/2,155,373.04 = 477,345.43/x
  3. Step 3: Cross multiply
    1,436,804.20x = 2,155,373.04 × 477,345.43
  4. Step 4: Simplify right side
    1,436,804.20x = 1,028,857,459,812.34
  5. Step 5: Solve for x
    x = 1,028,857,459,812.34/1,436,804.20
  6. Step 6: Final answer
    x = 716,073.54

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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.