Home / 784,092.68-1,174,564.38-663,632.72

Finding the Fourth Proportional to 784,092.68, 1,174,564.38 and 663,632.72

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Solution

The fourth proportional to 784,092.68, 1,174,564.38 and 663,632.72 is: 994,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,092.68 : 1,174,564.38 = 663,632.72 : x
  2. Step 2: Convert to fraction form
    784,092.68/1,174,564.38 = 663,632.72/x
  3. Step 3: Cross multiply
    784,092.68x = 1,174,564.38 × 663,632.72
  4. Step 4: Simplify right side
    784,092.68x = 779,479,354,314.51
  5. Step 5: Solve for x
    x = 779,479,354,314.51/784,092.68
  6. Step 6: Final answer
    x = 994,116.35

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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.