Home / 584,010.75-805,935.02-315,738.75

Finding the Fourth Proportional to 584,010.75, 805,935.02 and 315,738.75

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Solution

The fourth proportional to 584,010.75, 805,935.02 and 315,738.75 is: 435,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,010.75 : 805,935.02 = 315,738.75 : x
  2. Step 2: Convert to fraction form
    584,010.75/805,935.02 = 315,738.75/x
  3. Step 3: Cross multiply
    584,010.75x = 805,935.02 × 315,738.75
  4. Step 4: Simplify right side
    584,010.75x = 254,464,915,796.03
  5. Step 5: Solve for x
    x = 254,464,915,796.03/584,010.75
  6. Step 6: Final answer
    x = 435,719.58

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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.