Home / 691,748.52-1,030,745.91-616,288.83

Finding the Fourth Proportional to 691,748.52, 1,030,745.91 and 616,288.83

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Solution

The fourth proportional to 691,748.52, 1,030,745.91 and 616,288.83 is: 918,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,748.52 : 1,030,745.91 = 616,288.83 : x
  2. Step 2: Convert to fraction form
    691,748.52/1,030,745.91 = 616,288.83/x
  3. Step 3: Cross multiply
    691,748.52x = 1,030,745.91 × 616,288.83
  4. Step 4: Simplify right side
    691,748.52x = 635,237,190,901.19
  5. Step 5: Solve for x
    x = 635,237,190,901.19/691,748.52
  6. Step 6: Final answer
    x = 918,306.54

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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.