Home / 738,752.85-1,108,129.47-177,787.35

Finding the Fourth Proportional to 738,752.85, 1,108,129.47 and 177,787.35

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Solution

The fourth proportional to 738,752.85, 1,108,129.47 and 177,787.35 is: 266,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,752.85 : 1,108,129.47 = 177,787.35 : x
  2. Step 2: Convert to fraction form
    738,752.85/1,108,129.47 = 177,787.35/x
  3. Step 3: Cross multiply
    738,752.85x = 1,108,129.47 × 177,787.35
  4. Step 4: Simplify right side
    738,752.85x = 197,011,401,928.21
  5. Step 5: Solve for x
    x = 197,011,401,928.21/738,752.85
  6. Step 6: Final answer
    x = 266,681.07

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Double scale
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Similar ratio
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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.