Home / 711,273.57-981,914.45-549,763.62

Finding the Fourth Proportional to 711,273.57, 981,914.45 and 549,763.62

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Solution

The fourth proportional to 711,273.57, 981,914.45 and 549,763.62 is: 758,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,273.57 : 981,914.45 = 549,763.62 : x
  2. Step 2: Convert to fraction form
    711,273.57/981,914.45 = 549,763.62/x
  3. Step 3: Cross multiply
    711,273.57x = 981,914.45 × 549,763.62
  4. Step 4: Simplify right side
    711,273.57x = 539,820,839,813.49
  5. Step 5: Solve for x
    x = 539,820,839,813.49/711,273.57
  6. Step 6: Final answer
    x = 758,949.67

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Double scale
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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.