Home / 492,848.08-680,102.16-277,975.36

Finding the Fourth Proportional to 492,848.08, 680,102.16 and 277,975.36

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Solution

The fourth proportional to 492,848.08, 680,102.16 and 277,975.36 is: 383,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,848.08 : 680,102.16 = 277,975.36 : x
  2. Step 2: Convert to fraction form
    492,848.08/680,102.16 = 277,975.36/x
  3. Step 3: Cross multiply
    492,848.08x = 680,102.16 × 277,975.36
  4. Step 4: Simplify right side
    492,848.08x = 189,051,642,762.78
  5. Step 5: Solve for x
    x = 189,051,642,762.78/492,848.08
  6. Step 6: Final answer
    x = 383,590.10

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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.