Home / 986,214.35-1,360,962.56-550,638.38

Finding the Fourth Proportional to 986,214.35, 1,360,962.56 and 550,638.38

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Solution

The fourth proportional to 986,214.35, 1,360,962.56 and 550,638.38 is: 759,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,214.35 : 1,360,962.56 = 550,638.38 : x
  2. Step 2: Convert to fraction form
    986,214.35/1,360,962.56 = 550,638.38/x
  3. Step 3: Cross multiply
    986,214.35x = 1,360,962.56 × 550,638.38
  4. Step 4: Simplify right side
    986,214.35x = 749,398,209,721.05
  5. Step 5: Solve for x
    x = 749,398,209,721.05/986,214.35
  6. Step 6: Final answer
    x = 759,873.56

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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.