Home / 5,420,646.65-7,489,278.93-4,613,381.21

Finding the Fourth Proportional to 5,420,646.65, 7,489,278.93 and 4,613,381.21

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Solution

The fourth proportional to 5,420,646.65, 7,489,278.93 and 4,613,381.21 is: 6,373,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,646.65 : 7,489,278.93 = 4,613,381.21 : x
  2. Step 2: Convert to fraction form
    5,420,646.65/7,489,278.93 = 4,613,381.21/x
  3. Step 3: Cross multiply
    5,420,646.65x = 7,489,278.93 × 4,613,381.21
  4. Step 4: Simplify right side
    5,420,646.65x = 34,550,898,692,110.90
  5. Step 5: Solve for x
    x = 34,550,898,692,110.90/5,420,646.65
  6. Step 6: Final answer
    x = 6,373,944.09

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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.