Home / 816,801.63-1,224,402.57-457,148.13

Finding the Fourth Proportional to 816,801.63, 1,224,402.57 and 457,148.13

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Solution

The fourth proportional to 816,801.63, 1,224,402.57 and 457,148.13 is: 685,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,801.63 : 1,224,402.57 = 457,148.13 : x
  2. Step 2: Convert to fraction form
    816,801.63/1,224,402.57 = 457,148.13/x
  3. Step 3: Cross multiply
    816,801.63x = 1,224,402.57 × 457,148.13
  4. Step 4: Simplify right side
    816,801.63x = 559,733,345,242.69
  5. Step 5: Solve for x
    x = 559,733,345,242.69/816,801.63
  6. Step 6: Final answer
    x = 685,274.52

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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.