Home / 825,439.70-1,157,715.10-825,439.70

Finding the Fourth Proportional to 825,439.70, 1,157,715.10 and 825,439.70

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Solution

The fourth proportional to 825,439.70, 1,157,715.10 and 825,439.70 is: 1,157,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,439.70 : 1,157,715.10 = 825,439.70 : x
  2. Step 2: Convert to fraction form
    825,439.70/1,157,715.10 = 825,439.70/x
  3. Step 3: Cross multiply
    825,439.70x = 1,157,715.10 × 825,439.70
  4. Step 4: Simplify right side
    825,439.70x = 955,624,004,829.47
  5. Step 5: Solve for x
    x = 955,624,004,829.47/825,439.70
  6. Step 6: Final answer
    x = 1,157,715.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.