Home / 684,126.72-943,989.12-382,262.40

Finding the Fourth Proportional to 684,126.72, 943,989.12 and 382,262.40

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Solution

The fourth proportional to 684,126.72, 943,989.12 and 382,262.40 is: 527,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,126.72 : 943,989.12 = 382,262.40 : x
  2. Step 2: Convert to fraction form
    684,126.72/943,989.12 = 382,262.40/x
  3. Step 3: Cross multiply
    684,126.72x = 943,989.12 × 382,262.40
  4. Step 4: Simplify right side
    684,126.72x = 360,851,546,585.09
  5. Step 5: Solve for x
    x = 360,851,546,585.09/684,126.72
  6. Step 6: Final answer
    x = 527,463.02

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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.