Home / 883,752.03-1,219,630.07-665,575.90

Finding the Fourth Proportional to 883,752.03, 1,219,630.07 and 665,575.90

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Solution

The fourth proportional to 883,752.03, 1,219,630.07 and 665,575.90 is: 918,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,752.03 : 1,219,630.07 = 665,575.90 : x
  2. Step 2: Convert to fraction form
    883,752.03/1,219,630.07 = 665,575.90/x
  3. Step 3: Cross multiply
    883,752.03x = 1,219,630.07 × 665,575.90
  4. Step 4: Simplify right side
    883,752.03x = 811,756,380,122.18
  5. Step 5: Solve for x
    x = 811,756,380,122.18/883,752.03
  6. Step 6: Final answer
    x = 918,534.11

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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.