Home / 514,929.78-772,289.08-194,971.26

Finding the Fourth Proportional to 514,929.78, 772,289.08 and 194,971.26

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Solution

The fourth proportional to 514,929.78, 772,289.08 and 194,971.26 is: 292,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,929.78 : 772,289.08 = 194,971.26 : x
  2. Step 2: Convert to fraction form
    514,929.78/772,289.08 = 194,971.26/x
  3. Step 3: Cross multiply
    514,929.78x = 772,289.08 × 194,971.26
  4. Step 4: Simplify right side
    514,929.78x = 150,574,175,011.84
  5. Step 5: Solve for x
    x = 150,574,175,011.84/514,929.78
  6. Step 6: Final answer
    x = 292,416.91

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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.