Home / 1,275,504.32-1,913,491.92-527,608.64

Finding the Fourth Proportional to 1,275,504.32, 1,913,491.92 and 527,608.64

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Solution

The fourth proportional to 1,275,504.32, 1,913,491.92 and 527,608.64 is: 791,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,504.32 : 1,913,491.92 = 527,608.64 : x
  2. Step 2: Convert to fraction form
    1,275,504.32/1,913,491.92 = 527,608.64/x
  3. Step 3: Cross multiply
    1,275,504.32x = 1,913,491.92 × 527,608.64
  4. Step 4: Simplify right side
    1,275,504.32x = 1,009,574,869,562.19
  5. Step 5: Solve for x
    x = 1,009,574,869,562.19/1,275,504.32
  6. Step 6: Final answer
    x = 791,510.35

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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.