Home / 985,566.33-1,360,079.64-555,845.13

Finding the Fourth Proportional to 985,566.33, 1,360,079.64 and 555,845.13

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Solution

The fourth proportional to 985,566.33, 1,360,079.64 and 555,845.13 is: 767,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,566.33 : 1,360,079.64 = 555,845.13 : x
  2. Step 2: Convert to fraction form
    985,566.33/1,360,079.64 = 555,845.13/x
  3. Step 3: Cross multiply
    985,566.33x = 1,360,079.64 × 555,845.13
  4. Step 4: Simplify right side
    985,566.33x = 755,993,644,306.15
  5. Step 5: Solve for x
    x = 755,993,644,306.15/985,566.33
  6. Step 6: Final answer
    x = 767,065.21

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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.