Home / 1,064,588.20-1,598,048.70-665,679.40

Finding the Fourth Proportional to 1,064,588.20, 1,598,048.70 and 665,679.40

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Solution

The fourth proportional to 1,064,588.20, 1,598,048.70 and 665,679.40 is: 999,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,588.20 : 1,598,048.70 = 665,679.40 : x
  2. Step 2: Convert to fraction form
    1,064,588.20/1,598,048.70 = 665,679.40/x
  3. Step 3: Cross multiply
    1,064,588.20x = 1,598,048.70 × 665,679.40
  4. Step 4: Simplify right side
    1,064,588.20x = 1,063,788,099,786.78
  5. Step 5: Solve for x
    x = 1,063,788,099,786.78/1,064,588.20
  6. Step 6: Final answer
    x = 999,248.44

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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.