Home / 1,296,065.60-1,944,098.40-666,209.60

Finding the Fourth Proportional to 1,296,065.60, 1,944,098.40 and 666,209.60

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Solution

The fourth proportional to 1,296,065.60, 1,944,098.40 and 666,209.60 is: 999,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,065.60 : 1,944,098.40 = 666,209.60 : x
  2. Step 2: Convert to fraction form
    1,296,065.60/1,944,098.40 = 666,209.60/x
  3. Step 3: Cross multiply
    1,296,065.60x = 1,944,098.40 × 666,209.60
  4. Step 4: Simplify right side
    1,296,065.60x = 1,295,177,017,424.64
  5. Step 5: Solve for x
    x = 1,295,177,017,424.64/1,296,065.60
  6. Step 6: Final answer
    x = 999,314.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.