Home / 784,717.08-1,082,945.18-462,440.76

Finding the Fourth Proportional to 784,717.08, 1,082,945.18 and 462,440.76

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Solution

The fourth proportional to 784,717.08, 1,082,945.18 and 462,440.76 is: 638,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,717.08 : 1,082,945.18 = 462,440.76 : x
  2. Step 2: Convert to fraction form
    784,717.08/1,082,945.18 = 462,440.76/x
  3. Step 3: Cross multiply
    784,717.08x = 1,082,945.18 × 462,440.76
  4. Step 4: Simplify right side
    784,717.08x = 500,797,992,077.54
  5. Step 5: Solve for x
    x = 500,797,992,077.54/784,717.08
  6. Step 6: Final answer
    x = 638,189.23

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Half scale
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Double scale
Find fourth proportional to 784,718.08, 1,082,946.56 and 462,441.76
Similar ratio
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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.