Home / 824,601.60-1,137,897.72-485,004.24

Finding the Fourth Proportional to 824,601.60, 1,137,897.72 and 485,004.24

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Solution

The fourth proportional to 824,601.60, 1,137,897.72 and 485,004.24 is: 669,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,601.60 : 1,137,897.72 = 485,004.24 : x
  2. Step 2: Convert to fraction form
    824,601.60/1,137,897.72 = 485,004.24/x
  3. Step 3: Cross multiply
    824,601.60x = 1,137,897.72 × 485,004.24
  4. Step 4: Simplify right side
    824,601.60x = 551,885,218,886.33
  5. Step 5: Solve for x
    x = 551,885,218,886.33/824,601.60
  6. Step 6: Final answer
    x = 669,274.98

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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.