Home / 873,426.11-1,205,325.54-491,452.92

Finding the Fourth Proportional to 873,426.11, 1,205,325.54 and 491,452.92

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Solution

The fourth proportional to 873,426.11, 1,205,325.54 and 491,452.92 is: 678,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,426.11 : 1,205,325.54 = 491,452.92 : x
  2. Step 2: Convert to fraction form
    873,426.11/1,205,325.54 = 491,452.92/x
  3. Step 3: Cross multiply
    873,426.11x = 1,205,325.54 × 491,452.92
  4. Step 4: Simplify right side
    873,426.11x = 592,360,756,183.58
  5. Step 5: Solve for x
    x = 592,360,756,183.58/873,426.11
  6. Step 6: Final answer
    x = 678,203.63

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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.