Home / 873,274.10-1,205,032.47-491,292.68

Finding the Fourth Proportional to 873,274.10, 1,205,032.47 and 491,292.68

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Solution

The fourth proportional to 873,274.10, 1,205,032.47 and 491,292.68 is: 677,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,274.10 : 1,205,032.47 = 491,292.68 : x
  2. Step 2: Convert to fraction form
    873,274.10/1,205,032.47 = 491,292.68/x
  3. Step 3: Cross multiply
    873,274.10x = 1,205,032.47 × 491,292.68
  4. Step 4: Simplify right side
    873,274.10x = 592,023,631,673.32
  5. Step 5: Solve for x
    x = 592,023,631,673.32/873,274.10
  6. Step 6: Final answer
    x = 677,935.64

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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.