Home / 684,042.32-943,972.68-382,236.56

Finding the Fourth Proportional to 684,042.32, 943,972.68 and 382,236.56

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Solution

The fourth proportional to 684,042.32, 943,972.68 and 382,236.56 is: 527,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,042.32 : 943,972.68 = 382,236.56 : x
  2. Step 2: Convert to fraction form
    684,042.32/943,972.68 = 382,236.56/x
  3. Step 3: Cross multiply
    684,042.32x = 943,972.68 × 382,236.56
  4. Step 4: Simplify right side
    684,042.32x = 360,820,869,937.18
  5. Step 5: Solve for x
    x = 360,820,869,937.18/684,042.32
  6. Step 6: Final answer
    x = 527,483.26

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Double scale
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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.