Home / 873,567.38-1,205,520.53-491,594.15

Finding the Fourth Proportional to 873,567.38, 1,205,520.53 and 491,594.15

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Solution

The fourth proportional to 873,567.38, 1,205,520.53 and 491,594.15 is: 678,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,567.38 : 1,205,520.53 = 491,594.15 : x
  2. Step 2: Convert to fraction form
    873,567.38/1,205,520.53 = 491,594.15/x
  3. Step 3: Cross multiply
    873,567.38x = 1,205,520.53 × 491,594.15
  4. Step 4: Simplify right side
    873,567.38x = 592,626,840,808.73
  5. Step 5: Solve for x
    x = 592,626,840,808.73/873,567.38
  6. Step 6: Final answer
    x = 678,398.54

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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.