Home / 684,020.52-943,946.34-382,214.76

Finding the Fourth Proportional to 684,020.52, 943,946.34 and 382,214.76

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Solution

The fourth proportional to 684,020.52, 943,946.34 and 382,214.76 is: 527,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,020.52 : 943,946.34 = 382,214.76 : x
  2. Step 2: Convert to fraction form
    684,020.52/943,946.34 = 382,214.76/x
  3. Step 3: Cross multiply
    684,020.52x = 943,946.34 × 382,214.76
  4. Step 4: Simplify right side
    684,020.52x = 360,790,223,795.98
  5. Step 5: Solve for x
    x = 360,790,223,795.98/684,020.52
  6. Step 6: Final answer
    x = 527,455.26

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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.