Home / 1,186,256.57-1,637,034.92-642,392.94

Finding the Fourth Proportional to 1,186,256.57, 1,637,034.92 and 642,392.94

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Solution

The fourth proportional to 1,186,256.57, 1,637,034.92 and 642,392.94 is: 886,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,256.57 : 1,637,034.92 = 642,392.94 : x
  2. Step 2: Convert to fraction form
    1,186,256.57/1,637,034.92 = 642,392.94/x
  3. Step 3: Cross multiply
    1,186,256.57x = 1,637,034.92 × 642,392.94
  4. Step 4: Simplify right side
    1,186,256.57x = 1,051,619,676,747.45
  5. Step 5: Solve for x
    x = 1,051,619,676,747.45/1,186,256.57
  6. Step 6: Final answer
    x = 886,502.72

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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.