Home / 847,667.84-1,169,802.24-465,719.36

Finding the Fourth Proportional to 847,667.84, 1,169,802.24 and 465,719.36

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Solution

The fourth proportional to 847,667.84, 1,169,802.24 and 465,719.36 is: 642,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,667.84 : 1,169,802.24 = 465,719.36 : x
  2. Step 2: Convert to fraction form
    847,667.84/1,169,802.24 = 465,719.36/x
  3. Step 3: Cross multiply
    847,667.84x = 1,169,802.24 × 465,719.36
  4. Step 4: Simplify right side
    847,667.84x = 544,799,550,539.37
  5. Step 5: Solve for x
    x = 544,799,550,539.37/847,667.84
  6. Step 6: Final answer
    x = 642,704.05

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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.