Home / 1,275,818.04-1,914,001.65-636,465.60

Finding the Fourth Proportional to 1,275,818.04, 1,914,001.65 and 636,465.60

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Solution

The fourth proportional to 1,275,818.04, 1,914,001.65 and 636,465.60 is: 954,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,818.04 : 1,914,001.65 = 636,465.60 : x
  2. Step 2: Convert to fraction form
    1,275,818.04/1,914,001.65 = 636,465.60/x
  3. Step 3: Cross multiply
    1,275,818.04x = 1,914,001.65 × 636,465.60
  4. Step 4: Simplify right side
    1,275,818.04x = 1,218,196,208,568.24
  5. Step 5: Solve for x
    x = 1,218,196,208,568.24/1,275,818.04
  6. Step 6: Final answer
    x = 954,835.38

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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.