Home / 774,322.40-1,068,530.20-430,182.46

Finding the Fourth Proportional to 774,322.40, 1,068,530.20 and 430,182.46

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Solution

The fourth proportional to 774,322.40, 1,068,530.20 and 430,182.46 is: 593,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,322.40 : 1,068,530.20 = 430,182.46 : x
  2. Step 2: Convert to fraction form
    774,322.40/1,068,530.20 = 430,182.46/x
  3. Step 3: Cross multiply
    774,322.40x = 1,068,530.20 × 430,182.46
  4. Step 4: Simplify right side
    774,322.40x = 459,662,950,020.29
  5. Step 5: Solve for x
    x = 459,662,950,020.29/774,322.40
  6. Step 6: Final answer
    x = 593,632.51

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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.