Home / 1,556,772.88-2,147,232-1,011,892.36

Finding the Fourth Proportional to 1,556,772.88, 2,147,232 and 1,011,892.36

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Solution

The fourth proportional to 1,556,772.88, 2,147,232 and 1,011,892.36 is: 1,395,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,772.88 : 2,147,232 = 1,011,892.36 : x
  2. Step 2: Convert to fraction form
    1,556,772.88/2,147,232 = 1,011,892.36/x
  3. Step 3: Cross multiply
    1,556,772.88x = 2,147,232 × 1,011,892.36
  4. Step 4: Simplify right side
    1,556,772.88x = 2,172,767,655,947.52
  5. Step 5: Solve for x
    x = 2,172,767,655,947.52/1,556,772.88
  6. Step 6: Final answer
    x = 1,395,686.99

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1.5x scale

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.