Home / 914,888.70-1,262,586.56-506,989.62

Finding the Fourth Proportional to 914,888.70, 1,262,586.56 and 506,989.62

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Solution

The fourth proportional to 914,888.70, 1,262,586.56 and 506,989.62 is: 699,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,888.70 : 1,262,586.56 = 506,989.62 : x
  2. Step 2: Convert to fraction form
    914,888.70/1,262,586.56 = 506,989.62/x
  3. Step 3: Cross multiply
    914,888.70x = 1,262,586.56 × 506,989.62
  4. Step 4: Simplify right side
    914,888.70x = 640,118,277,736.56
  5. Step 5: Solve for x
    x = 640,118,277,736.56/914,888.70
  6. Step 6: Final answer
    x = 699,667.92

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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.