Home / 584,143.23-805,992.55-439,104.13

Finding the Fourth Proportional to 584,143.23, 805,992.55 and 439,104.13

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Solution

The fourth proportional to 584,143.23, 805,992.55 and 439,104.13 is: 605,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,143.23 : 805,992.55 = 439,104.13 : x
  2. Step 2: Convert to fraction form
    584,143.23/805,992.55 = 439,104.13/x
  3. Step 3: Cross multiply
    584,143.23x = 805,992.55 × 439,104.13
  4. Step 4: Simplify right side
    584,143.23x = 353,914,657,454.23
  5. Step 5: Solve for x
    x = 353,914,657,454.23/584,143.23
  6. Step 6: Final answer
    x = 605,869.66

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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.