Home / 1,031,392.73-1,547,405.84-492,336.88

Finding the Fourth Proportional to 1,031,392.73, 1,547,405.84 and 492,336.88

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Solution

The fourth proportional to 1,031,392.73, 1,547,405.84 and 492,336.88 is: 738,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,392.73 : 1,547,405.84 = 492,336.88 : x
  2. Step 2: Convert to fraction form
    1,031,392.73/1,547,405.84 = 492,336.88/x
  3. Step 3: Cross multiply
    1,031,392.73x = 1,547,405.84 × 492,336.88
  4. Step 4: Simplify right side
    1,031,392.73x = 761,844,960,721.71
  5. Step 5: Solve for x
    x = 761,844,960,721.71/1,031,392.73
  6. Step 6: Final answer
    x = 738,656.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.