Home / 1,278,001.49-1,763,641.92-705,041.64

Finding the Fourth Proportional to 1,278,001.49, 1,763,641.92 and 705,041.64

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Solution

The fourth proportional to 1,278,001.49, 1,763,641.92 and 705,041.64 is: 972,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,001.49 : 1,763,641.92 = 705,041.64 : x
  2. Step 2: Convert to fraction form
    1,278,001.49/1,763,641.92 = 705,041.64/x
  3. Step 3: Cross multiply
    1,278,001.49x = 1,763,641.92 × 705,041.64
  4. Step 4: Simplify right side
    1,278,001.49x = 1,243,440,994,293.46
  5. Step 5: Solve for x
    x = 1,243,440,994,293.46/1,278,001.49
  6. Step 6: Final answer
    x = 972,957.39

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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.