Home / 460,511.84-687,390.16-426,741.02

Finding the Fourth Proportional to 460,511.84, 687,390.16 and 426,741.02

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Solution

The fourth proportional to 460,511.84, 687,390.16 and 426,741.02 is: 636,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,511.84 : 687,390.16 = 426,741.02 : x
  2. Step 2: Convert to fraction form
    460,511.84/687,390.16 = 426,741.02/x
  3. Step 3: Cross multiply
    460,511.84x = 687,390.16 × 426,741.02
  4. Step 4: Simplify right side
    460,511.84x = 293,337,578,016.36
  5. Step 5: Solve for x
    x = 293,337,578,016.36/460,511.84
  6. Step 6: Final answer
    x = 636,981.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.