Home / 1,275,913.60-1,914,225.09-556,318.20

Finding the Fourth Proportional to 1,275,913.60, 1,914,225.09 and 556,318.20

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Solution

The fourth proportional to 1,275,913.60, 1,914,225.09 and 556,318.20 is: 834,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,913.60 : 1,914,225.09 = 556,318.20 : x
  2. Step 2: Convert to fraction form
    1,275,913.60/1,914,225.09 = 556,318.20/x
  3. Step 3: Cross multiply
    1,275,913.60x = 1,914,225.09 × 556,318.20
  4. Step 4: Simplify right side
    1,275,913.60x = 1,064,918,256,463.64
  5. Step 5: Solve for x
    x = 1,064,918,256,463.64/1,275,913.60
  6. Step 6: Final answer
    x = 834,631.95

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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.