Home / 492,291.06-679,381.65-277,440.18

Finding the Fourth Proportional to 492,291.06, 679,381.65 and 277,440.18

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Solution

The fourth proportional to 492,291.06, 679,381.65 and 277,440.18 is: 382,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,291.06 : 679,381.65 = 277,440.18 : x
  2. Step 2: Convert to fraction form
    492,291.06/679,381.65 = 277,440.18/x
  3. Step 3: Cross multiply
    492,291.06x = 679,381.65 × 277,440.18
  4. Step 4: Simplify right side
    492,291.06x = 188,487,767,264.70
  5. Step 5: Solve for x
    x = 188,487,767,264.70/492,291.06
  6. Step 6: Final answer
    x = 382,878.71

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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.