Home / 539,541.40-808,664.10-223,835.80

Finding the Fourth Proportional to 539,541.40, 808,664.10 and 223,835.80

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Solution

The fourth proportional to 539,541.40, 808,664.10 and 223,835.80 is: 335,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,541.40 : 808,664.10 = 223,835.80 : x
  2. Step 2: Convert to fraction form
    539,541.40/808,664.10 = 223,835.80/x
  3. Step 3: Cross multiply
    539,541.40x = 808,664.10 × 223,835.80
  4. Step 4: Simplify right side
    539,541.40x = 181,007,975,754.78
  5. Step 5: Solve for x
    x = 181,007,975,754.78/539,541.40
  6. Step 6: Final answer
    x = 335,484.87

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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.