Home / 1,186,306.83-1,637,100.92-642,440.94

Finding the Fourth Proportional to 1,186,306.83, 1,637,100.92 and 642,440.94

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Solution

The fourth proportional to 1,186,306.83, 1,637,100.92 and 642,440.94 is: 886,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,306.83 : 1,637,100.92 = 642,440.94 : x
  2. Step 2: Convert to fraction form
    1,186,306.83/1,637,100.92 = 642,440.94/x
  3. Step 3: Cross multiply
    1,186,306.83x = 1,637,100.92 × 642,440.94
  4. Step 4: Simplify right side
    1,186,306.83x = 1,051,740,655,525.77
  5. Step 5: Solve for x
    x = 1,051,740,655,525.77/1,186,306.83
  6. Step 6: Final answer
    x = 886,567.14

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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.