Home / 923,122.72-1,273,823.08-535,835.40

Finding the Fourth Proportional to 923,122.72, 1,273,823.08 and 535,835.40

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Solution

The fourth proportional to 923,122.72, 1,273,823.08 and 535,835.40 is: 739,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,122.72 : 1,273,823.08 = 535,835.40 : x
  2. Step 2: Convert to fraction form
    923,122.72/1,273,823.08 = 535,835.40/x
  3. Step 3: Cross multiply
    923,122.72x = 1,273,823.08 × 535,835.40
  4. Step 4: Simplify right side
    923,122.72x = 682,559,499,601.03
  5. Step 5: Solve for x
    x = 682,559,499,601.03/923,122.72
  6. Step 6: Final answer
    x = 739,402.77

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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.