Home / 651,515.36-976,590.96-272,653.16

Finding the Fourth Proportional to 651,515.36, 976,590.96 and 272,653.16

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Solution

The fourth proportional to 651,515.36, 976,590.96 and 272,653.16 is: 408,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,515.36 : 976,590.96 = 272,653.16 : x
  2. Step 2: Convert to fraction form
    651,515.36/976,590.96 = 272,653.16/x
  3. Step 3: Cross multiply
    651,515.36x = 976,590.96 × 272,653.16
  4. Step 4: Simplify right side
    651,515.36x = 266,270,611,271.43
  5. Step 5: Solve for x
    x = 266,270,611,271.43/651,515.36
  6. Step 6: Final answer
    x = 408,694.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.