Home / 684,046.64-943,982.04-382,240.64

Finding the Fourth Proportional to 684,046.64, 943,982.04 and 382,240.64

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Solution

The fourth proportional to 684,046.64, 943,982.04 and 382,240.64 is: 527,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,046.64 : 943,982.04 = 382,240.64 : x
  2. Step 2: Convert to fraction form
    684,046.64/943,982.04 = 382,240.64/x
  3. Step 3: Cross multiply
    684,046.64x = 943,982.04 × 382,240.64
  4. Step 4: Simplify right side
    684,046.64x = 360,828,299,118.11
  5. Step 5: Solve for x
    x = 360,828,299,118.11/684,046.64
  6. Step 6: Final answer
    x = 527,490.79

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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.