Home / 726,762.60-1,090,338.30-516,810.60

Finding the Fourth Proportional to 726,762.60, 1,090,338.30 and 516,810.60

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Solution

The fourth proportional to 726,762.60, 1,090,338.30 and 516,810.60 is: 775,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,762.60 : 1,090,338.30 = 516,810.60 : x
  2. Step 2: Convert to fraction form
    726,762.60/1,090,338.30 = 516,810.60/x
  3. Step 3: Cross multiply
    726,762.60x = 1,090,338.30 × 516,810.60
  4. Step 4: Simplify right side
    726,762.60x = 563,498,391,025.98
  5. Step 5: Solve for x
    x = 563,498,391,025.98/726,762.60
  6. Step 6: Final answer
    x = 775,354.14

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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.