Home / 1,532,907.84-2,115,478.08-853,844.64

Finding the Fourth Proportional to 1,532,907.84, 2,115,478.08 and 853,844.64

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Solution

The fourth proportional to 1,532,907.84, 2,115,478.08 and 853,844.64 is: 1,178,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,907.84 : 2,115,478.08 = 853,844.64 : x
  2. Step 2: Convert to fraction form
    1,532,907.84/2,115,478.08 = 853,844.64/x
  3. Step 3: Cross multiply
    1,532,907.84x = 2,115,478.08 × 853,844.64
  4. Step 4: Simplify right side
    1,532,907.84x = 1,806,289,619,645.49
  5. Step 5: Solve for x
    x = 1,806,289,619,645.49/1,532,907.84
  6. Step 6: Final answer
    x = 1,178,341.95

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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.