Home / 500,174.03-750,259.91-386,487.16

Finding the Fourth Proportional to 500,174.03, 750,259.91 and 386,487.16

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Solution

The fourth proportional to 500,174.03, 750,259.91 and 386,487.16 is: 579,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,174.03 : 750,259.91 = 386,487.16 : x
  2. Step 2: Convert to fraction form
    500,174.03/750,259.91 = 386,487.16/x
  3. Step 3: Cross multiply
    500,174.03x = 750,259.91 × 386,487.16
  4. Step 4: Simplify right side
    500,174.03x = 289,965,821,877.76
  5. Step 5: Solve for x
    x = 289,965,821,877.76/500,174.03
  6. Step 6: Final answer
    x = 579,729.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.