Home / 637,981.76-956,972.64-188,667.63

Finding the Fourth Proportional to 637,981.76, 956,972.64 and 188,667.63

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Solution

The fourth proportional to 637,981.76, 956,972.64 and 188,667.63 is: 283,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,981.76 : 956,972.64 = 188,667.63 : x
  2. Step 2: Convert to fraction form
    637,981.76/956,972.64 = 188,667.63/x
  3. Step 3: Cross multiply
    637,981.76x = 956,972.64 × 188,667.63
  4. Step 4: Simplify right side
    637,981.76x = 180,549,759,963.64
  5. Step 5: Solve for x
    x = 180,549,759,963.64/637,981.76
  6. Step 6: Final answer
    x = 283,001.45

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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.