Home / 436,308.60-602,095.50-285,402.36

Finding the Fourth Proportional to 436,308.60, 602,095.50 and 285,402.36

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Solution

The fourth proportional to 436,308.60, 602,095.50 and 285,402.36 is: 393,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,308.60 : 602,095.50 = 285,402.36 : x
  2. Step 2: Convert to fraction form
    436,308.60/602,095.50 = 285,402.36/x
  3. Step 3: Cross multiply
    436,308.60x = 602,095.50 × 285,402.36
  4. Step 4: Simplify right side
    436,308.60x = 171,839,476,645.38
  5. Step 5: Solve for x
    x = 171,839,476,645.38/436,308.60
  6. Step 6: Final answer
    x = 393,848.47

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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.