Home / 787,146.52-1,174,580.39-702,323.80

Finding the Fourth Proportional to 787,146.52, 1,174,580.39 and 702,323.80

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Solution

The fourth proportional to 787,146.52, 1,174,580.39 and 702,323.80 is: 1,048,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,146.52 : 1,174,580.39 = 702,323.80 : x
  2. Step 2: Convert to fraction form
    787,146.52/1,174,580.39 = 702,323.80/x
  3. Step 3: Cross multiply
    787,146.52x = 1,174,580.39 × 702,323.80
  4. Step 4: Simplify right side
    787,146.52x = 824,935,762,910.28
  5. Step 5: Solve for x
    x = 824,935,762,910.28/787,146.52
  6. Step 6: Final answer
    x = 1,048,007.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.