Home / 829,909.50-1,145,263.83-467,337.69

Finding the Fourth Proportional to 829,909.50, 1,145,263.83 and 467,337.69

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Solution

The fourth proportional to 829,909.50, 1,145,263.83 and 467,337.69 is: 644,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,909.50 : 1,145,263.83 = 467,337.69 : x
  2. Step 2: Convert to fraction form
    829,909.50/1,145,263.83 = 467,337.69/x
  3. Step 3: Cross multiply
    829,909.50x = 1,145,263.83 × 467,337.69
  4. Step 4: Simplify right side
    829,909.50x = 535,224,952,752.75
  5. Step 5: Solve for x
    x = 535,224,952,752.75/829,909.50
  6. Step 6: Final answer
    x = 644,919.66

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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.