Home / 584,046.39-805,983.99-315,774.39

Finding the Fourth Proportional to 584,046.39, 805,983.99 and 315,774.39

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Solution

The fourth proportional to 584,046.39, 805,983.99 and 315,774.39 is: 435,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,046.39 : 805,983.99 = 315,774.39 : x
  2. Step 2: Convert to fraction form
    584,046.39/805,983.99 = 315,774.39/x
  3. Step 3: Cross multiply
    584,046.39x = 805,983.99 × 315,774.39
  4. Step 4: Simplify right side
    584,046.39x = 254,509,102,792.02
  5. Step 5: Solve for x
    x = 254,509,102,792.02/584,046.39
  6. Step 6: Final answer
    x = 435,768.64

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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.