Home / 771,155.99-1,064,194.97-431,624.24

Finding the Fourth Proportional to 771,155.99, 1,064,194.97 and 431,624.24

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Solution

The fourth proportional to 771,155.99, 1,064,194.97 and 431,624.24 is: 595,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,155.99 : 1,064,194.97 = 431,624.24 : x
  2. Step 2: Convert to fraction form
    771,155.99/1,064,194.97 = 431,624.24/x
  3. Step 3: Cross multiply
    771,155.99x = 1,064,194.97 × 431,624.24
  4. Step 4: Simplify right side
    771,155.99x = 459,332,337,658.98
  5. Step 5: Solve for x
    x = 459,332,337,658.98/771,155.99
  6. Step 6: Final answer
    x = 595,641.28

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Double scale
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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.