Home / 1,555,852.96-2,147,476.56-1,013,340.64

Finding the Fourth Proportional to 1,555,852.96, 2,147,476.56 and 1,013,340.64

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Solution

The fourth proportional to 1,555,852.96, 2,147,476.56 and 1,013,340.64 is: 1,398,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,852.96 : 2,147,476.56 = 1,013,340.64 : x
  2. Step 2: Convert to fraction form
    1,555,852.96/2,147,476.56 = 1,013,340.64/x
  3. Step 3: Cross multiply
    1,555,852.96x = 2,147,476.56 × 1,013,340.64
  4. Step 4: Simplify right side
    1,555,852.96x = 2,176,125,271,695.40
  5. Step 5: Solve for x
    x = 2,176,125,271,695.40/1,555,852.96
  6. Step 6: Final answer
    x = 1,398,670.26

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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.