Home / 559,943.16-772,725.24-305,298.60

Finding the Fourth Proportional to 559,943.16, 772,725.24 and 305,298.60

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Solution

The fourth proportional to 559,943.16, 772,725.24 and 305,298.60 is: 421,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,943.16 : 772,725.24 = 305,298.60 : x
  2. Step 2: Convert to fraction form
    559,943.16/772,725.24 = 305,298.60/x
  3. Step 3: Cross multiply
    559,943.16x = 772,725.24 × 305,298.60
  4. Step 4: Simplify right side
    559,943.16x = 235,911,933,956.66
  5. Step 5: Solve for x
    x = 235,911,933,956.66/559,943.16
  6. Step 6: Final answer
    x = 421,314.07

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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.