Home / 684,358.08-944,435.04-382,564.80

Finding the Fourth Proportional to 684,358.08, 944,435.04 and 382,564.80

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Solution

The fourth proportional to 684,358.08, 944,435.04 and 382,564.80 is: 527,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,358.08 : 944,435.04 = 382,564.80 : x
  2. Step 2: Convert to fraction form
    684,358.08/944,435.04 = 382,564.80/x
  3. Step 3: Cross multiply
    684,358.08x = 944,435.04 × 382,564.80
  4. Step 4: Simplify right side
    684,358.08x = 361,307,602,190.59
  5. Step 5: Solve for x
    x = 361,307,602,190.59/684,358.08
  6. Step 6: Final answer
    x = 527,951.10

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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.