Home / 1,757,812.64-2,636,964.05-543,488.40

Finding the Fourth Proportional to 1,757,812.64, 2,636,964.05 and 543,488.40

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Solution

The fourth proportional to 1,757,812.64, 2,636,964.05 and 543,488.40 is: 815,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,812.64 : 2,636,964.05 = 543,488.40 : x
  2. Step 2: Convert to fraction form
    1,757,812.64/2,636,964.05 = 543,488.40/x
  3. Step 3: Cross multiply
    1,757,812.64x = 2,636,964.05 × 543,488.40
  4. Step 4: Simplify right side
    1,757,812.64x = 1,433,159,369,674.58
  5. Step 5: Solve for x
    x = 1,433,159,369,674.58/1,757,812.64
  6. Step 6: Final answer
    x = 815,308.38

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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.