Home / 543,154.35-749,918.48-415,602.03

Finding the Fourth Proportional to 543,154.35, 749,918.48 and 415,602.03

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Solution

The fourth proportional to 543,154.35, 749,918.48 and 415,602.03 is: 573,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,154.35 : 749,918.48 = 415,602.03 : x
  2. Step 2: Convert to fraction form
    543,154.35/749,918.48 = 415,602.03/x
  3. Step 3: Cross multiply
    543,154.35x = 749,918.48 × 415,602.03
  4. Step 4: Simplify right side
    543,154.35x = 311,667,640,544.50
  5. Step 5: Solve for x
    x = 311,667,640,544.50/543,154.35
  6. Step 6: Final answer
    x = 573,810.45

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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.