Home / 492,130.04-679,090.88-277,308.32

Finding the Fourth Proportional to 492,130.04, 679,090.88 and 277,308.32

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Solution

The fourth proportional to 492,130.04, 679,090.88 and 277,308.32 is: 382,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,130.04 : 679,090.88 = 277,308.32 : x
  2. Step 2: Convert to fraction form
    492,130.04/679,090.88 = 277,308.32/x
  3. Step 3: Cross multiply
    492,130.04x = 679,090.88 × 277,308.32
  4. Step 4: Simplify right side
    492,130.04x = 188,317,551,060.12
  5. Step 5: Solve for x
    x = 188,317,551,060.12/492,130.04
  6. Step 6: Final answer
    x = 382,658.11

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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.