Home / 781,196.27-1,078,041.15-458,935.74

Finding the Fourth Proportional to 781,196.27, 1,078,041.15 and 458,935.74

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Solution

The fourth proportional to 781,196.27, 1,078,041.15 and 458,935.74 is: 633,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,196.27 : 1,078,041.15 = 458,935.74 : x
  2. Step 2: Convert to fraction form
    781,196.27/1,078,041.15 = 458,935.74/x
  3. Step 3: Cross multiply
    781,196.27x = 1,078,041.15 × 458,935.74
  4. Step 4: Simplify right side
    781,196.27x = 494,751,612,925.70
  5. Step 5: Solve for x
    x = 494,751,612,925.70/781,196.27
  6. Step 6: Final answer
    x = 633,325.63

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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.