Home / 519,827.70-778,903.20-294,518.10

Finding the Fourth Proportional to 519,827.70, 778,903.20 and 294,518.10

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Solution

The fourth proportional to 519,827.70, 778,903.20 and 294,518.10 is: 441,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,827.70 : 778,903.20 = 294,518.10 : x
  2. Step 2: Convert to fraction form
    519,827.70/778,903.20 = 294,518.10/x
  3. Step 3: Cross multiply
    519,827.70x = 778,903.20 × 294,518.10
  4. Step 4: Simplify right side
    519,827.70x = 229,401,090,547.92
  5. Step 5: Solve for x
    x = 229,401,090,547.92/519,827.70
  6. Step 6: Final answer
    x = 441,302.17

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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.