Home / 1,553,942.04-2,330,909.64-489,077.16

Finding the Fourth Proportional to 1,553,942.04, 2,330,909.64 and 489,077.16

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Solution

The fourth proportional to 1,553,942.04, 2,330,909.64 and 489,077.16 is: 733,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,942.04 : 2,330,909.64 = 489,077.16 : x
  2. Step 2: Convert to fraction form
    1,553,942.04/2,330,909.64 = 489,077.16/x
  3. Step 3: Cross multiply
    1,553,942.04x = 2,330,909.64 × 489,077.16
  4. Step 4: Simplify right side
    1,553,942.04x = 1,139,994,666,947.82
  5. Step 5: Solve for x
    x = 1,139,994,666,947.82/1,553,942.04
  6. Step 6: Final answer
    x = 733,614.66

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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.