Home / 1,156,908.78-1,596,514.10-640,652.45

Finding the Fourth Proportional to 1,156,908.78, 1,596,514.10 and 640,652.45

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Solution

The fourth proportional to 1,156,908.78, 1,596,514.10 and 640,652.45 is: 884,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,908.78 : 1,596,514.10 = 640,652.45 : x
  2. Step 2: Convert to fraction form
    1,156,908.78/1,596,514.10 = 640,652.45/x
  3. Step 3: Cross multiply
    1,156,908.78x = 1,596,514.10 × 640,652.45
  4. Step 4: Simplify right side
    1,156,908.78x = 1,022,810,658,438.71
  5. Step 5: Solve for x
    x = 1,022,810,658,438.71/1,156,908.78
  6. Step 6: Final answer
    x = 884,089.29

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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.