Home / 1,190,966.71-1,643,514.15-647,110.84

Finding the Fourth Proportional to 1,190,966.71, 1,643,514.15 and 647,110.84

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Solution

The fourth proportional to 1,190,966.71, 1,643,514.15 and 647,110.84 is: 893,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,966.71 : 1,643,514.15 = 647,110.84 : x
  2. Step 2: Convert to fraction form
    1,190,966.71/1,643,514.15 = 647,110.84/x
  3. Step 3: Cross multiply
    1,190,966.71x = 1,643,514.15 × 647,110.84
  4. Step 4: Simplify right side
    1,190,966.71x = 1,063,535,822,158.39
  5. Step 5: Solve for x
    x = 1,063,535,822,158.39/1,190,966.71
  6. Step 6: Final answer
    x = 893,002.14

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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.