Home / 923,113.60-1,273,897.38-509,650.72

Finding the Fourth Proportional to 923,113.60, 1,273,897.38 and 509,650.72

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Solution

The fourth proportional to 923,113.60, 1,273,897.38 and 509,650.72 is: 703,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,113.60 : 1,273,897.38 = 509,650.72 : x
  2. Step 2: Convert to fraction form
    923,113.60/1,273,897.38 = 509,650.72/x
  3. Step 3: Cross multiply
    923,113.60x = 1,273,897.38 × 509,650.72
  4. Step 4: Simplify right side
    923,113.60x = 649,242,716,923.11
  5. Step 5: Solve for x
    x = 649,242,716,923.11/923,113.60
  6. Step 6: Final answer
    x = 703,318.33

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Double scale
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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.