Home / 511,248.10-705,562.98-281,846.16

Finding the Fourth Proportional to 511,248.10, 705,562.98 and 281,846.16

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Solution

The fourth proportional to 511,248.10, 705,562.98 and 281,846.16 is: 388,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,248.10 : 705,562.98 = 281,846.16 : x
  2. Step 2: Convert to fraction form
    511,248.10/705,562.98 = 281,846.16/x
  3. Step 3: Cross multiply
    511,248.10x = 705,562.98 × 281,846.16
  4. Step 4: Simplify right side
    511,248.10x = 198,860,216,551.16
  5. Step 5: Solve for x
    x = 198,860,216,551.16/511,248.10
  6. Step 6: Final answer
    x = 388,970.08

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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.