Home / 547,561.59-819,621.67-348,107.19

Finding the Fourth Proportional to 547,561.59, 819,621.67 and 348,107.19

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Solution

The fourth proportional to 547,561.59, 819,621.67 and 348,107.19 is: 521,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,561.59 : 819,621.67 = 348,107.19 : x
  2. Step 2: Convert to fraction form
    547,561.59/819,621.67 = 348,107.19/x
  3. Step 3: Cross multiply
    547,561.59x = 819,621.67 × 348,107.19
  4. Step 4: Simplify right side
    547,561.59x = 285,316,196,406.81
  5. Step 5: Solve for x
    x = 285,316,196,406.81/547,561.59
  6. Step 6: Final answer
    x = 521,066.86

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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.