Home / 786,601.35-1,179,898.65-217,980.81

Finding the Fourth Proportional to 786,601.35, 1,179,898.65 and 217,980.81

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Solution

The fourth proportional to 786,601.35, 1,179,898.65 and 217,980.81 is: 326,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,601.35 : 1,179,898.65 = 217,980.81 : x
  2. Step 2: Convert to fraction form
    786,601.35/1,179,898.65 = 217,980.81/x
  3. Step 3: Cross multiply
    786,601.35x = 1,179,898.65 × 217,980.81
  4. Step 4: Simplify right side
    786,601.35x = 257,195,263,444.91
  5. Step 5: Solve for x
    x = 257,195,263,444.91/786,601.35
  6. Step 6: Final answer
    x = 326,970.28

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Double scale
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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.