Home / 1,168,438.61-1,612,450.13-631,894.61

Finding the Fourth Proportional to 1,168,438.61, 1,612,450.13 and 631,894.61

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Solution

The fourth proportional to 1,168,438.61, 1,612,450.13 and 631,894.61 is: 872,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,438.61 : 1,612,450.13 = 631,894.61 : x
  2. Step 2: Convert to fraction form
    1,168,438.61/1,612,450.13 = 631,894.61/x
  3. Step 3: Cross multiply
    1,168,438.61x = 1,612,450.13 × 631,894.61
  4. Step 4: Simplify right side
    1,168,438.61x = 1,018,898,534,819.08
  5. Step 5: Solve for x
    x = 1,018,898,534,819.08/1,168,438.61
  6. Step 6: Final answer
    x = 872,017.18

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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.