Home / 1,186,442.11-1,637,407.34-677,221.03

Finding the Fourth Proportional to 1,186,442.11, 1,637,407.34 and 677,221.03

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Solution

The fourth proportional to 1,186,442.11, 1,637,407.34 and 677,221.03 is: 934,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,442.11 : 1,637,407.34 = 677,221.03 : x
  2. Step 2: Convert to fraction form
    1,186,442.11/1,637,407.34 = 677,221.03/x
  3. Step 3: Cross multiply
    1,186,442.11x = 1,637,407.34 × 677,221.03
  4. Step 4: Simplify right side
    1,186,442.11x = 1,108,886,685,324.36
  5. Step 5: Solve for x
    x = 1,108,886,685,324.36/1,186,442.11
  6. Step 6: Final answer
    x = 934,631.94

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Double scale
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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.