Home / 304,434.86-420,289.04-183,606.89

Finding the Fourth Proportional to 304,434.86, 420,289.04 and 183,606.89

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Solution

The fourth proportional to 304,434.86, 420,289.04 and 183,606.89 is: 253,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,434.86 : 420,289.04 = 183,606.89 : x
  2. Step 2: Convert to fraction form
    304,434.86/420,289.04 = 183,606.89/x
  3. Step 3: Cross multiply
    304,434.86x = 420,289.04 × 183,606.89
  4. Step 4: Simplify right side
    304,434.86x = 77,167,963,535.49
  5. Step 5: Solve for x
    x = 77,167,963,535.49/304,434.86
  6. Step 6: Final answer
    x = 253,479.39

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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.