Home / 519,943.84-779,943.46-164,985.64

Finding the Fourth Proportional to 519,943.84, 779,943.46 and 164,985.64

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Solution

The fourth proportional to 519,943.84, 779,943.46 and 164,985.64 is: 247,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,943.84 : 779,943.46 = 164,985.64 : x
  2. Step 2: Convert to fraction form
    519,943.84/779,943.46 = 164,985.64/x
  3. Step 3: Cross multiply
    519,943.84x = 779,943.46 × 164,985.64
  4. Step 4: Simplify right side
    519,943.84x = 128,679,470,911.91
  5. Step 5: Solve for x
    x = 128,679,470,911.91/519,943.84
  6. Step 6: Final answer
    x = 247,487.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.