Home / 1,357,228-1,873,205.12-784,600.16

Finding the Fourth Proportional to 1,357,228, 1,873,205.12 and 784,600.16

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Solution

The fourth proportional to 1,357,228, 1,873,205.12 and 784,600.16 is: 1,082,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,228 : 1,873,205.12 = 784,600.16 : x
  2. Step 2: Convert to fraction form
    1,357,228/1,873,205.12 = 784,600.16/x
  3. Step 3: Cross multiply
    1,357,228x = 1,873,205.12 × 784,600.16
  4. Step 4: Simplify right side
    1,357,228x = 1,469,717,036,864.82
  5. Step 5: Solve for x
    x = 1,469,717,036,864.82/1,357,228
  6. Step 6: Final answer
    x = 1,082,881.46

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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.