Home / 1,031,399.30-1,547,415.69-492,343.44

Finding the Fourth Proportional to 1,031,399.30, 1,547,415.69 and 492,343.44

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Solution

The fourth proportional to 1,031,399.30, 1,547,415.69 and 492,343.44 is: 738,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,399.30 : 1,547,415.69 = 492,343.44 : x
  2. Step 2: Convert to fraction form
    1,031,399.30/1,547,415.69 = 492,343.44/x
  3. Step 3: Cross multiply
    1,031,399.30x = 1,547,415.69 × 492,343.44
  4. Step 4: Simplify right side
    1,031,399.30x = 761,859,963,924.57
  5. Step 5: Solve for x
    x = 761,859,963,924.57/1,031,399.30
  6. Step 6: Final answer
    x = 738,666.36

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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.