Home / 1,173,341.28-1,618,979.76-714,332.64

Finding the Fourth Proportional to 1,173,341.28, 1,618,979.76 and 714,332.64

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Solution

The fourth proportional to 1,173,341.28, 1,618,979.76 and 714,332.64 is: 985,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,341.28 : 1,618,979.76 = 714,332.64 : x
  2. Step 2: Convert to fraction form
    1,173,341.28/1,618,979.76 = 714,332.64/x
  3. Step 3: Cross multiply
    1,173,341.28x = 1,618,979.76 × 714,332.64
  4. Step 4: Simplify right side
    1,173,341.28x = 1,156,490,086,067.37
  5. Step 5: Solve for x
    x = 1,156,490,086,067.37/1,173,341.28
  6. Step 6: Final answer
    x = 985,638.28

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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.