Home / 799,670.40-1,103,543.56-455,506.20

Finding the Fourth Proportional to 799,670.40, 1,103,543.56 and 455,506.20

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Solution

The fourth proportional to 799,670.40, 1,103,543.56 and 455,506.20 is: 628,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,670.40 : 1,103,543.56 = 455,506.20 : x
  2. Step 2: Convert to fraction form
    799,670.40/1,103,543.56 = 455,506.20/x
  3. Step 3: Cross multiply
    799,670.40x = 1,103,543.56 × 455,506.20
  4. Step 4: Simplify right side
    799,670.40x = 502,670,933,550.07
  5. Step 5: Solve for x
    x = 502,670,933,550.07/799,670.40
  6. Step 6: Final answer
    x = 628,597.65

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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.