Home / 1,220,089.50-1,683,720.27-676,226.34

Finding the Fourth Proportional to 1,220,089.50, 1,683,720.27 and 676,226.34

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Solution

The fourth proportional to 1,220,089.50, 1,683,720.27 and 676,226.34 is: 933,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,089.50 : 1,683,720.27 = 676,226.34 : x
  2. Step 2: Convert to fraction form
    1,220,089.50/1,683,720.27 = 676,226.34/x
  3. Step 3: Cross multiply
    1,220,089.50x = 1,683,720.27 × 676,226.34
  4. Step 4: Simplify right side
    1,220,089.50x = 1,138,575,995,765.91
  5. Step 5: Solve for x
    x = 1,138,575,995,765.91/1,220,089.50
  6. Step 6: Final answer
    x = 933,190.55

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1.5x scale

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.