Home / 856,349.49-1,181,834.28-474,411.81

Finding the Fourth Proportional to 856,349.49, 1,181,834.28 and 474,411.81

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Solution

The fourth proportional to 856,349.49, 1,181,834.28 and 474,411.81 is: 654,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,349.49 : 1,181,834.28 = 474,411.81 : x
  2. Step 2: Convert to fraction form
    856,349.49/1,181,834.28 = 474,411.81/x
  3. Step 3: Cross multiply
    856,349.49x = 1,181,834.28 × 474,411.81
  4. Step 4: Simplify right side
    856,349.49x = 560,676,139,894.85
  5. Step 5: Solve for x
    x = 560,676,139,894.85/856,349.49
  6. Step 6: Final answer
    x = 654,728.18

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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.