Home / 919,313.99-1,268,134.94-551,697.11

Finding the Fourth Proportional to 919,313.99, 1,268,134.94 and 551,697.11

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Solution

The fourth proportional to 919,313.99, 1,268,134.94 and 551,697.11 is: 761,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,313.99 : 1,268,134.94 = 551,697.11 : x
  2. Step 2: Convert to fraction form
    919,313.99/1,268,134.94 = 551,697.11/x
  3. Step 3: Cross multiply
    919,313.99x = 1,268,134.94 × 551,697.11
  4. Step 4: Simplify right side
    919,313.99x = 699,626,378,178.80
  5. Step 5: Solve for x
    x = 699,626,378,178.80/919,313.99
  6. Step 6: Final answer
    x = 761,030.93

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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.