Home / 530,288.03-732,163.59-496,408.65

Finding the Fourth Proportional to 530,288.03, 732,163.59 and 496,408.65

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Solution

The fourth proportional to 530,288.03, 732,163.59 and 496,408.65 is: 685,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,288.03 : 732,163.59 = 496,408.65 : x
  2. Step 2: Convert to fraction form
    530,288.03/732,163.59 = 496,408.65/x
  3. Step 3: Cross multiply
    530,288.03x = 732,163.59 × 496,408.65
  4. Step 4: Simplify right side
    530,288.03x = 363,452,339,291.05
  5. Step 5: Solve for x
    x = 363,452,339,291.05/530,288.03
  6. Step 6: Final answer
    x = 685,386.66

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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.