Home / 1,195,982.40-1,650,855.64-712,699.12

Finding the Fourth Proportional to 1,195,982.40, 1,650,855.64 and 712,699.12

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Solution

The fourth proportional to 1,195,982.40, 1,650,855.64 and 712,699.12 is: 983,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,982.40 : 1,650,855.64 = 712,699.12 : x
  2. Step 2: Convert to fraction form
    1,195,982.40/1,650,855.64 = 712,699.12/x
  3. Step 3: Cross multiply
    1,195,982.40x = 1,650,855.64 × 712,699.12
  4. Step 4: Simplify right side
    1,195,982.40x = 1,176,563,361,875.04
  5. Step 5: Solve for x
    x = 1,176,563,361,875.04/1,195,982.40
  6. Step 6: Final answer
    x = 983,763.11

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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.