Home / 666,995.89-1,000,521.52-193,681.25

Finding the Fourth Proportional to 666,995.89, 1,000,521.52 and 193,681.25

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Solution

The fourth proportional to 666,995.89, 1,000,521.52 and 193,681.25 is: 290,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,995.89 : 1,000,521.52 = 193,681.25 : x
  2. Step 2: Convert to fraction form
    666,995.89/1,000,521.52 = 193,681.25/x
  3. Step 3: Cross multiply
    666,995.89x = 1,000,521.52 × 193,681.25
  4. Step 4: Simplify right side
    666,995.89x = 193,782,258,645.50
  5. Step 5: Solve for x
    x = 193,782,258,645.50/666,995.89
  6. Step 6: Final answer
    x = 290,529.91

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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.