Home / 1,112,278.59-1,668,916.35-512,918.49

Finding the Fourth Proportional to 1,112,278.59, 1,668,916.35 and 512,918.49

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Solution

The fourth proportional to 1,112,278.59, 1,668,916.35 and 512,918.49 is: 769,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,278.59 : 1,668,916.35 = 512,918.49 : x
  2. Step 2: Convert to fraction form
    1,112,278.59/1,668,916.35 = 512,918.49/x
  3. Step 3: Cross multiply
    1,112,278.59x = 1,668,916.35 × 512,918.49
  4. Step 4: Simplify right side
    1,112,278.59x = 856,018,054,178.31
  5. Step 5: Solve for x
    x = 856,018,054,178.31/1,112,278.59
  6. Step 6: Final answer
    x = 769,607.60

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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.