Home / 873,632.01-1,205,609.71-491,658.79

Finding the Fourth Proportional to 873,632.01, 1,205,609.71 and 491,658.79

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Solution

The fourth proportional to 873,632.01, 1,205,609.71 and 491,658.79 is: 678,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,632.01 : 1,205,609.71 = 491,658.79 : x
  2. Step 2: Convert to fraction form
    873,632.01/1,205,609.71 = 491,658.79/x
  3. Step 3: Cross multiply
    873,632.01x = 1,205,609.71 × 491,658.79
  4. Step 4: Simplify right side
    873,632.01x = 592,748,611,230.85
  5. Step 5: Solve for x
    x = 592,748,611,230.85/873,632.01
  6. Step 6: Final answer
    x = 678,487.74

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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.