Home / 1,031,396.74-1,547,411.84-492,340.88

Finding the Fourth Proportional to 1,031,396.74, 1,547,411.84 and 492,340.88

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Solution

The fourth proportional to 1,031,396.74, 1,547,411.84 and 492,340.88 is: 738,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,396.74 : 1,547,411.84 = 492,340.88 : x
  2. Step 2: Convert to fraction form
    1,031,396.74/1,547,411.84 = 492,340.88/x
  3. Step 3: Cross multiply
    1,031,396.74x = 1,547,411.84 × 492,340.88
  4. Step 4: Simplify right side
    1,031,396.74x = 761,854,107,028.02
  5. Step 5: Solve for x
    x = 761,854,107,028.02/1,031,396.74
  6. Step 6: Final answer
    x = 738,662.51

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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.