Home / 614,179.14-847,749.69-387,975.30

Finding the Fourth Proportional to 614,179.14, 847,749.69 and 387,975.30

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Solution

The fourth proportional to 614,179.14, 847,749.69 and 387,975.30 is: 535,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,179.14 : 847,749.69 = 387,975.30 : x
  2. Step 2: Convert to fraction form
    614,179.14/847,749.69 = 387,975.30/x
  3. Step 3: Cross multiply
    614,179.14x = 847,749.69 × 387,975.30
  4. Step 4: Simplify right side
    614,179.14x = 328,905,940,302.66
  5. Step 5: Solve for x
    x = 328,905,940,302.66/614,179.14
  6. Step 6: Final answer
    x = 535,521.18

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1.5x scale

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.