Home / 1,152,853.56-1,590,964.74-723,151.80

Finding the Fourth Proportional to 1,152,853.56, 1,590,964.74 and 723,151.80

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Solution

The fourth proportional to 1,152,853.56, 1,590,964.74 and 723,151.80 is: 997,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,853.56 : 1,590,964.74 = 723,151.80 : x
  2. Step 2: Convert to fraction form
    1,152,853.56/1,590,964.74 = 723,151.80/x
  3. Step 3: Cross multiply
    1,152,853.56x = 1,590,964.74 × 723,151.80
  4. Step 4: Simplify right side
    1,152,853.56x = 1,150,509,015,467.53
  5. Step 5: Solve for x
    x = 1,150,509,015,467.53/1,152,853.56
  6. Step 6: Final answer
    x = 997,966.31

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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.