Home / 838,021.68-1,156,470.96-456,048.24

Finding the Fourth Proportional to 838,021.68, 1,156,470.96 and 456,048.24

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Solution

The fourth proportional to 838,021.68, 1,156,470.96 and 456,048.24 is: 629,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,021.68 : 1,156,470.96 = 456,048.24 : x
  2. Step 2: Convert to fraction form
    838,021.68/1,156,470.96 = 456,048.24/x
  3. Step 3: Cross multiply
    838,021.68x = 1,156,470.96 × 456,048.24
  4. Step 4: Simplify right side
    838,021.68x = 527,406,545,919.11
  5. Step 5: Solve for x
    x = 527,406,545,919.11/838,021.68
  6. Step 6: Final answer
    x = 629,347.14

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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.