Home / 1,357,712.17-1,873,434.71-784,641.76

Finding the Fourth Proportional to 1,357,712.17, 1,873,434.71 and 784,641.76

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Solution

The fourth proportional to 1,357,712.17, 1,873,434.71 and 784,641.76 is: 1,082,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,712.17 : 1,873,434.71 = 784,641.76 : x
  2. Step 2: Convert to fraction form
    1,357,712.17/1,873,434.71 = 784,641.76/x
  3. Step 3: Cross multiply
    1,357,712.17x = 1,873,434.71 × 784,641.76
  4. Step 4: Simplify right side
    1,357,712.17x = 1,469,975,105,377.51
  5. Step 5: Solve for x
    x = 1,469,975,105,377.51/1,357,712.17
  6. Step 6: Final answer
    x = 1,082,685.37

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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.