Home / 1,169,124.80-1,752,812.40-637,246.40

Finding the Fourth Proportional to 1,169,124.80, 1,752,812.40 and 637,246.40

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Solution

The fourth proportional to 1,169,124.80, 1,752,812.40 and 637,246.40 is: 955,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,124.80 : 1,752,812.40 = 637,246.40 : x
  2. Step 2: Convert to fraction form
    1,169,124.80/1,752,812.40 = 637,246.40/x
  3. Step 3: Cross multiply
    1,169,124.80x = 1,752,812.40 × 637,246.40
  4. Step 4: Simplify right side
    1,169,124.80x = 1,116,973,391,775.36
  5. Step 5: Solve for x
    x = 1,116,973,391,775.36/1,169,124.80
  6. Step 6: Final answer
    x = 955,392.78

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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.