Home / 436,030.09-653,297.75-346,349.42

Finding the Fourth Proportional to 436,030.09, 653,297.75 and 346,349.42

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Solution

The fourth proportional to 436,030.09, 653,297.75 and 346,349.42 is: 518,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,030.09 : 653,297.75 = 346,349.42 : x
  2. Step 2: Convert to fraction form
    436,030.09/653,297.75 = 346,349.42/x
  3. Step 3: Cross multiply
    436,030.09x = 653,297.75 × 346,349.42
  4. Step 4: Simplify right side
    436,030.09x = 226,269,297,498.46
  5. Step 5: Solve for x
    x = 226,269,297,498.46/436,030.09
  6. Step 6: Final answer
    x = 518,930.47

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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.