Home / 719,969.28-993,685.20-414,022.08

Finding the Fourth Proportional to 719,969.28, 993,685.20 and 414,022.08

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Solution

The fourth proportional to 719,969.28, 993,685.20 and 414,022.08 is: 571,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,969.28 : 993,685.20 = 414,022.08 : x
  2. Step 2: Convert to fraction form
    719,969.28/993,685.20 = 414,022.08/x
  3. Step 3: Cross multiply
    719,969.28x = 993,685.20 × 414,022.08
  4. Step 4: Simplify right side
    719,969.28x = 411,407,613,369.22
  5. Step 5: Solve for x
    x = 411,407,613,369.22/719,969.28
  6. Step 6: Final answer
    x = 571,423.84

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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.