Home / 584,013.75-805,939.16-315,741.75

Finding the Fourth Proportional to 584,013.75, 805,939.16 and 315,741.75

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Solution

The fourth proportional to 584,013.75, 805,939.16 and 315,741.75 is: 435,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,013.75 : 805,939.16 = 315,741.75 : x
  2. Step 2: Convert to fraction form
    584,013.75/805,939.16 = 315,741.75/x
  3. Step 3: Cross multiply
    584,013.75x = 805,939.16 × 315,741.75
  4. Step 4: Simplify right side
    584,013.75x = 254,468,640,771.93
  5. Step 5: Solve for x
    x = 254,468,640,771.93/584,013.75
  6. Step 6: Final answer
    x = 435,723.72

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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.