Home / 1,031,215.64-1,423,056.17-572,303.56

Finding the Fourth Proportional to 1,031,215.64, 1,423,056.17 and 572,303.56

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Solution

The fourth proportional to 1,031,215.64, 1,423,056.17 and 572,303.56 is: 789,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,215.64 : 1,423,056.17 = 572,303.56 : x
  2. Step 2: Convert to fraction form
    1,031,215.64/1,423,056.17 = 572,303.56/x
  3. Step 3: Cross multiply
    1,031,215.64x = 1,423,056.17 × 572,303.56
  4. Step 4: Simplify right side
    1,031,215.64x = 814,420,109,514.74
  5. Step 5: Solve for x
    x = 814,420,109,514.74/1,031,215.64
  6. Step 6: Final answer
    x = 789,767.03

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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.