Home / 1,112,209.39-1,668,445.30-833,498.11

Finding the Fourth Proportional to 1,112,209.39, 1,668,445.30 and 833,498.11

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Solution

The fourth proportional to 1,112,209.39, 1,668,445.30 and 833,498.11 is: 1,250,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,209.39 : 1,668,445.30 = 833,498.11 : x
  2. Step 2: Convert to fraction form
    1,112,209.39/1,668,445.30 = 833,498.11/x
  3. Step 3: Cross multiply
    1,112,209.39x = 1,668,445.30 × 833,498.11
  4. Step 4: Simplify right side
    1,112,209.39x = 1,390,645,995,846.16
  5. Step 5: Solve for x
    x = 1,390,645,995,846.16/1,112,209.39
  6. Step 6: Final answer
    x = 1,250,345.50

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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.