Home / 781,417.46-1,172,119.61-610,782.69

Finding the Fourth Proportional to 781,417.46, 1,172,119.61 and 610,782.69

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Solution

The fourth proportional to 781,417.46, 1,172,119.61 and 610,782.69 is: 916,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,417.46 : 1,172,119.61 = 610,782.69 : x
  2. Step 2: Convert to fraction form
    781,417.46/1,172,119.61 = 610,782.69/x
  3. Step 3: Cross multiply
    781,417.46x = 1,172,119.61 × 610,782.69
  4. Step 4: Simplify right side
    781,417.46x = 715,910,365,343.64
  5. Step 5: Solve for x
    x = 715,910,365,343.64/781,417.46
  6. Step 6: Final answer
    x = 916,168.89

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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.