Home / 816,810.16-1,224,415.32-457,156.64

Finding the Fourth Proportional to 816,810.16, 1,224,415.32 and 457,156.64

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Solution

The fourth proportional to 816,810.16, 1,224,415.32 and 457,156.64 is: 685,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,810.16 : 1,224,415.32 = 457,156.64 : x
  2. Step 2: Convert to fraction form
    816,810.16/1,224,415.32 = 457,156.64/x
  3. Step 3: Cross multiply
    816,810.16x = 1,224,415.32 × 457,156.64
  4. Step 4: Simplify right side
    816,810.16x = 559,749,593,655.73
  5. Step 5: Solve for x
    x = 559,749,593,655.73/816,810.16
  6. Step 6: Final answer
    x = 685,287.26

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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.