Home / 816,807.64-1,224,411.56-457,154.14

Finding the Fourth Proportional to 816,807.64, 1,224,411.56 and 457,154.14

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Solution

The fourth proportional to 816,807.64, 1,224,411.56 and 457,154.14 is: 685,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,807.64 : 1,224,411.56 = 457,154.14 : x
  2. Step 2: Convert to fraction form
    816,807.64/1,224,411.56 = 457,154.14/x
  3. Step 3: Cross multiply
    816,807.64x = 1,224,411.56 × 457,154.14
  4. Step 4: Simplify right side
    816,807.64x = 559,744,813,717.86
  5. Step 5: Solve for x
    x = 559,744,813,717.86/816,807.64
  6. Step 6: Final answer
    x = 685,283.52

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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.